diff --git a/src/tv2-common/cues/ekstern.ts b/src/tv2-common/cues/ekstern.ts
index 46cd4644..8ca1f383 100644
--- a/src/tv2-common/cues/ekstern.ts
+++ b/src/tv2-common/cues/ekstern.ts
@@ -1,14 +1,9 @@
-import {
-	IBlueprintPart,
-	PieceLifespan,
-	RemoteContent,
-	TimelineObjectCoreExt,
-	WithTimeline
-} from 'blueprints-integration'
+import { PieceLifespan, RemoteContent, TimelineObjectCoreExt, WithTimeline } from 'blueprints-integration'
 import {
 	CueDefinitionEkstern,
 	EvaluateCueResult,
 	literal,
+	Part,
 	PartDefinition,
 	ShowStyleContext,
 	TransitionStyle,
@@ -33,7 +28,7 @@ export function EvaluateEksternBase<
 	ShowStyleConfig extends TV2BlueprintConfigBase<StudioConfig>
 >(
 	context: ShowStyleContext<ShowStyleConfig>,
-	part: IBlueprintPart,
+	part: Part,
 	partId: string,
 	parsedCue: CueDefinitionEkstern,
 	partDefinition: PartDefinition,
@@ -46,6 +41,7 @@ export function EvaluateEksternBase<
 	if (parsedCue.sourceDefinition.sourceType !== SourceType.REMOTE || sourceInfoEkstern === undefined) {
 		context.core.notifyUserWarning(`EKSTERN source is not valid: "${parsedCue.sourceDefinition.raw}"`)
 		part.invalid = true
+		part.invalidity = { reason: `No configuration found for the remote source '${parsedCue.sourceDefinition.raw}"'.` }
 		return result
 	}
 	const switcherInput = sourceInfoEkstern.port
diff --git a/src/tv2-common/getSegment.ts b/src/tv2-common/getSegment.ts
index c5bd5af3..6e599762 100644
--- a/src/tv2-common/getSegment.ts
+++ b/src/tv2-common/getSegment.ts
@@ -25,6 +25,7 @@ import {
 	TimeFromINewsField
 } from './inewsConversion'
 import { CreatePartInvalid, ServerPartProps } from './parts'
+import { Invalidity } from './types/invalidity'
 
 export interface GetSegmentShowstyleOptions<ShowStyleConfig extends TV2ShowStyleConfig> {
 	CreatePartContinuity: (
@@ -85,14 +86,10 @@ export interface GetSegmentShowstyleOptions<ShowStyleConfig extends TV2ShowStyle
 }
 
 interface Segment<T> extends IBlueprintSegment<T> {
-	invalidity?: SegmentInvalidity
+	invalidity?: Invalidity
 	definesShowStyleVariant?: boolean
 }
 
-interface SegmentInvalidity {
-	reason: string
-}
-
 interface SegmentMetadata {
 	miniShelfVideoClipFile?: string
 }
@@ -179,7 +176,13 @@ export async function getSegmentBase<ShowStyleConfig extends TV2ShowStyleConfig>
 			(c) => c.type === CueType.UNPAIRED_TARGET && IsTargetingFull(c.target)
 		) as CueDefinitionUnpairedTarget[]
 		if (unpairedTargets.length) {
-			blueprintParts.push(CreatePartInvalid(part))
+			blueprintParts.push(
+				CreatePartInvalid(part, {
+					reason: `The part has one or more unpaired targets: ${unpairedTargets
+						.map((cue) => cue.iNewsCommand)
+						.join(', ')}`
+				})
+			)
 			unpairedTargets.forEach((cue) => {
 				context.core.notifyUserWarning(`No graphic found after ${cue.iNewsCommand} cue`)
 			})
@@ -408,10 +411,7 @@ export async function getSegmentBase<ShowStyleConfig extends TV2ShowStyleConfig>
 	}
 }
 
-function getSegmentInvalidity(
-	segment: Segment<SegmentMetadata>,
-	parts: BlueprintResultPart[]
-): SegmentInvalidity | undefined {
+function getSegmentInvalidity(segment: Segment<SegmentMetadata>, parts: BlueprintResultPart[]): Invalidity | undefined {
 	const doesSegmentHaveMiniShelf: boolean = !!segment.metaData?.miniShelfVideoClipFile
 	const doesSegmentHaveValidParts: boolean = parts.length > 0 && parts.some((part) => part.pieces.length > 0)
 	if (doesSegmentHaveMiniShelf && doesSegmentHaveValidParts) {
diff --git a/src/tv2-common/parts/index.ts b/src/tv2-common/parts/index.ts
index d4d4c577..e262a917 100644
--- a/src/tv2-common/parts/index.ts
+++ b/src/tv2-common/parts/index.ts
@@ -2,3 +2,4 @@ export * from './server'
 export * from './invalid'
 export * from './kam'
 export * from './effekt'
+export { Part } from '../types/part'
diff --git a/src/tv2-common/parts/invalid.ts b/src/tv2-common/parts/invalid.ts
index 4b650bd3..653bfa22 100644
--- a/src/tv2-common/parts/invalid.ts
+++ b/src/tv2-common/parts/invalid.ts
@@ -1,12 +1,19 @@
-import { BlueprintResultPart, IBlueprintPart } from 'blueprints-integration'
+import { BlueprintResultPart } from 'blueprints-integration'
 import { PartDefinition } from 'tv2-common'
+import { Invalidity } from '../types/invalidity'
+import { Part } from '../types/part'
 
-export function CreatePartInvalid(ingestPart: PartDefinition, externalIdSuffix?: string): BlueprintResultPart {
-	const part: IBlueprintPart = {
+export function CreatePartInvalid(
+	ingestPart: PartDefinition,
+	invalidity: Invalidity,
+	externalIdSuffix?: string
+): BlueprintResultPart {
+	const part: Part = {
 		externalId: ingestPart.externalId + (externalIdSuffix ? `_${externalIdSuffix}` : ''),
 		title: ingestPart.rawType || 'Unknown',
 		metaData: {},
-		invalid: true
+		invalid: true,
+		invalidity
 	}
 
 	return {
diff --git a/src/tv2-common/parts/server.ts b/src/tv2-common/parts/server.ts
index 7373c4b7..8ddc8fe6 100644
--- a/src/tv2-common/parts/server.ts
+++ b/src/tv2-common/parts/server.ts
@@ -68,7 +68,14 @@ export async function CreatePartServerBase<
 ): Promise<{ part: BlueprintResultPart; file: string; duration: number; invalid?: true }> {
 	if (isVideoIdMissing(partDefinition)) {
 		context.core.notifyUserWarning('Video ID not set!')
-		return { part: CreatePartInvalid(partDefinition), file: '', duration: 0, invalid: true }
+		return {
+			part: CreatePartInvalid(partDefinition, {
+				reason: `The part is missing a video id.`
+			}),
+			file: '',
+			duration: 0,
+			invalid: true
+		}
 	}
 
 	const file = getVideoId(partDefinition)
diff --git a/src/tv2-common/types/invalidity.ts b/src/tv2-common/types/invalidity.ts
new file mode 100644
index 00000000..87a9170d
--- /dev/null
+++ b/src/tv2-common/types/invalidity.ts
@@ -0,0 +1,3 @@
+export interface Invalidity {
+	reason: string
+}
diff --git a/src/tv2-common/types/part.ts b/src/tv2-common/types/part.ts
new file mode 100644
index 00000000..2710b9b1
--- /dev/null
+++ b/src/tv2-common/types/part.ts
@@ -0,0 +1,6 @@
+import { IBlueprintPart } from 'blueprints-integration'
+import { Invalidity } from './invalidity'
+
+export interface Part<T = unknown> extends IBlueprintPart<T> {
+	invalidity?: Invalidity
+}
diff --git a/src/tv2_afvd_showstyle/parts/evs.ts b/src/tv2_afvd_showstyle/parts/evs.ts
index 37e19d46..82f333c8 100644
--- a/src/tv2_afvd_showstyle/parts/evs.ts
+++ b/src/tv2_afvd_showstyle/parts/evs.ts
@@ -3,7 +3,6 @@ import {
 	HackPartMediaObjectSubscription,
 	IBlueprintActionManifest,
 	IBlueprintAdLibPiece,
-	IBlueprintPart,
 	IBlueprintPiece,
 	PieceLifespan,
 	TimelineObjectCoreExt
@@ -14,6 +13,7 @@ import {
 	findSourceInfo,
 	GetSisyfosTimelineObjForReplay,
 	literal,
+	Part,
 	PartDefinitionEVS,
 	PartTime,
 	PieceMetaData,
@@ -39,7 +39,7 @@ export async function CreatePartEVS(
 	const partTime = PartTime(context.config, partDefinition, totalWords, false)
 	const title = partDefinition.sourceDefinition.name
 
-	let part: IBlueprintPart = {
+	let part: Part = {
 		externalId: partDefinition.externalId,
 		title,
 		metaData: {},
@@ -55,7 +55,9 @@ export async function CreatePartEVS(
 
 	const sourceInfoReplay = findSourceInfo(context.config.sources, partDefinition.sourceDefinition)
 	if (sourceInfoReplay === undefined) {
-		return CreatePartInvalid(partDefinition)
+		return CreatePartInvalid(partDefinition, {
+			reason: `No configuration found for the replay source '${partDefinition.sourceDefinition.name}'.`
+		})
 	}
 	const switcherInput = sourceInfoReplay.port
 
@@ -94,6 +96,7 @@ export async function CreatePartEVS(
 
 	if (pieces.length === 0) {
 		part.invalid = true
+		part.invalidity = { reason: 'The part has no pieces.' }
 	}
 
 	return {
diff --git a/src/tv2_afvd_showstyle/parts/grafik.ts b/src/tv2_afvd_showstyle/parts/grafik.ts
index f2de5f92..7155052b 100644
--- a/src/tv2_afvd_showstyle/parts/grafik.ts
+++ b/src/tv2_afvd_showstyle/parts/grafik.ts
@@ -3,13 +3,13 @@ import {
 	HackPartMediaObjectSubscription,
 	IBlueprintActionManifest,
 	IBlueprintAdLibPiece,
-	IBlueprintPart,
 	IBlueprintPiece
 } from 'blueprints-integration'
 import {
 	AddScript,
 	applyFullGraphicPropertiesToPart,
 	GraphicIsPilot,
+	Part,
 	PartDefinition,
 	PartTime,
 	ShowStyleContext
@@ -25,7 +25,7 @@ export async function CreatePartGrafik(
 	totalWords: number
 ): Promise<BlueprintResultPart> {
 	const partTime = PartTime(context.config, partDefinition, totalWords, false)
-	const part: IBlueprintPart = {
+	const part: Part = {
 		externalId: partDefinition.externalId,
 		title: partDefinition.type + ' - ' + partDefinition.rawType,
 		metaData: {}
@@ -61,6 +61,7 @@ export async function CreatePartGrafik(
 
 	if (pieces.length === 0) {
 		part.invalid = true
+		part.invalidity = { reason: 'The part has no pieces.' }
 	}
 
 	return {
diff --git a/src/tv2_afvd_showstyle/parts/intro.ts b/src/tv2_afvd_showstyle/parts/intro.ts
index 3bcf33c1..3db7bd13 100644
--- a/src/tv2_afvd_showstyle/parts/intro.ts
+++ b/src/tv2_afvd_showstyle/parts/intro.ts
@@ -3,7 +3,6 @@ import {
 	HackPartMediaObjectSubscription,
 	IBlueprintActionManifest,
 	IBlueprintAdLibPiece,
-	IBlueprintPart,
 	IBlueprintPiece
 } from 'blueprints-integration'
 import {
@@ -11,6 +10,7 @@ import {
 	CreatePartInvalid,
 	CueDefinitionJingle,
 	GetJinglePartProperties,
+	Part,
 	PartDefinition,
 	PartTime,
 	ShowStyleContext
@@ -28,13 +28,12 @@ export async function CreatePartIntro(
 	const partTime = PartTime(context.config, partDefinition, totalWords, false)
 
 	const jingleCue = partDefinition.cues.find((cue) => {
-		const parsedCue = cue
-		return parsedCue.type === CueType.Jingle
+		return cue.type === CueType.Jingle
 	})
 
 	if (!jingleCue) {
 		context.core.notifyUserWarning(`Intro must contain a jingle`)
-		return CreatePartInvalid(partDefinition)
+		return CreatePartInvalid(partDefinition, { reason: 'Intro parts must contain a jingle.' })
 	}
 
 	const parsedJingle = jingleCue as CueDefinitionJingle
@@ -43,18 +42,20 @@ export async function CreatePartIntro(
 		jngl.BreakerName ? jngl.BreakerName.toString().toUpperCase() === parsedJingle.clip.toString().toUpperCase() : false
 	)
 	if (!jingle) {
-		context.core.notifyUserWarning(`Jingle ${parsedJingle.clip} is not configured`)
-		return CreatePartInvalid(partDefinition)
+		context.core.notifyUserWarning(`Jingle ${parsedJingle.clip} is not configured.`)
+		return CreatePartInvalid(partDefinition, {
+			reason: `No configuration found for the jingle '${parsedJingle.clip}'.`
+		})
 	}
 
 	const overlapFrames = jingle.EndAlpha
 
 	if (overlapFrames === undefined) {
 		context.core.notifyUserWarning(`Jingle ${parsedJingle.clip} does not have an out-duration set.`)
-		return CreatePartInvalid(partDefinition)
+		return CreatePartInvalid(partDefinition, { reason: `No out-duration set for the jingle '${parsedJingle.clip}'.` })
 	}
 
-	let part: IBlueprintPart = {
+	let part: Part = {
 		externalId: partDefinition.externalId,
 		title: partDefinition.type + ' - ' + partDefinition.rawType,
 		metaData: {}
@@ -89,6 +90,7 @@ export async function CreatePartIntro(
 
 	if (pieces.length === 0) {
 		part.invalid = true
+		part.invalidity = { reason: 'The part has no pieces.' }
 	}
 
 	return {
diff --git a/src/tv2_afvd_showstyle/parts/kam.ts b/src/tv2_afvd_showstyle/parts/kam.ts
index f790c12f..6962fe04 100644
--- a/src/tv2_afvd_showstyle/parts/kam.ts
+++ b/src/tv2_afvd_showstyle/parts/kam.ts
@@ -16,6 +16,7 @@ import {
 	findSourceInfo,
 	GetSisyfosTimelineObjForCamera,
 	literal,
+	Part,
 	PartDefinitionKam,
 	PieceMetaData,
 	SegmentContext,
@@ -37,7 +38,7 @@ export async function CreatePartKam(
 ): Promise<BlueprintResultPart> {
 	const partKamBase = CreatePartKamBase(context, partDefinition, totalWords)
 
-	let part = partKamBase.part.part
+	let part: Part = partKamBase.part.part
 	const partTime = partKamBase.duration
 
 	const adLibPieces: IBlueprintAdLibPiece[] = []
@@ -80,7 +81,9 @@ export async function CreatePartKam(
 		const sourceInfoCam = findSourceInfo(context.config.sources, partDefinition.sourceDefinition)
 		if (sourceInfoCam === undefined) {
 			context.core.notifyUserWarning(`${partDefinition.rawType} does not exist in this studio`)
-			return CreatePartInvalid(partDefinition)
+			return CreatePartInvalid(partDefinition, {
+				reason: `No configuration found for the camera source '${partDefinition.rawType}'.`
+			})
 		}
 		const switcherInput = sourceInfoCam.port
 
@@ -136,6 +139,7 @@ export async function CreatePartKam(
 
 	if (pieces.length === 0) {
 		part.invalid = true
+		part.invalidity = { reason: 'The part has no pieces.' }
 	}
 
 	return {
diff --git a/src/tv2_afvd_showstyle/parts/live.ts b/src/tv2_afvd_showstyle/parts/live.ts
index 86d1d29e..19914fb9 100644
--- a/src/tv2_afvd_showstyle/parts/live.ts
+++ b/src/tv2_afvd_showstyle/parts/live.ts
@@ -3,10 +3,9 @@ import {
 	HackPartMediaObjectSubscription,
 	IBlueprintActionManifest,
 	IBlueprintAdLibPiece,
-	IBlueprintPart,
 	IBlueprintPiece
 } from 'blueprints-integration'
-import { AddScript, CueDefinitionEkstern, PartDefinition, PartTime, SegmentContext } from 'tv2-common'
+import { AddScript, CueDefinition, Part, PartDefinition, PartTime, SegmentContext } from 'tv2-common'
 import { CueType } from 'tv2-constants'
 import { GalleryBlueprintConfig } from '../../tv2_afvd_showstyle/helpers/config'
 import { EvaluateCues } from '../helpers/pieces/evaluateCues'
@@ -19,7 +18,7 @@ export async function CreatePartLive(
 	totalWords: number
 ): Promise<BlueprintResultPart> {
 	const partTime = PartTime(context.config, partDefinition, totalWords, false)
-	let part: IBlueprintPart = {
+	let part: Part = {
 		externalId: partDefinition.externalId,
 		title: partDefinition.title || 'Ekstern',
 		metaData: {},
@@ -48,12 +47,8 @@ export async function CreatePartLive(
 
 	part.hackListenToMediaObjectUpdates = mediaSubscriptions
 
-	const liveCue = partDefinition.cues.find((c) => c.type === CueType.Ekstern) as CueDefinitionEkstern
-	const livePiece = pieces.find((p) => p.sourceLayerId === SourceLayer.PgmLive)
-
-	if (pieces.length === 0 || !liveCue || !livePiece) {
-		part.invalid = true
-	}
+	part.invalidity = getInvalidityReasonForLivePart(partDefinition, pieces)
+	part.invalid = part.invalidity !== undefined
 
 	return {
 		part,
@@ -62,3 +57,24 @@ export async function CreatePartLive(
 		actions
 	}
 }
+
+function getInvalidityReasonForLivePart(
+	partDefinition: PartDefinition,
+	pieces: IBlueprintPiece[]
+): Part['invalidity'] | undefined {
+	if (pieces.length === 0) {
+		return { reason: 'The part has no pieces.' }
+	}
+
+	const liveCue: CueDefinition | undefined = partDefinition.cues.find((c) => c.type === CueType.Ekstern)
+	if (!liveCue) {
+		return { reason: 'The part has no cues with a remote source.' }
+	}
+
+	const livePiece = pieces.find((p) => p.sourceLayerId === SourceLayer.PgmLive)
+	if (!livePiece) {
+		return { reason: 'The part has no pieces with a remote source.' }
+	}
+
+	return undefined
+}
diff --git a/src/tv2_afvd_showstyle/parts/server.ts b/src/tv2_afvd_showstyle/parts/server.ts
index 57cd4388..914d69a9 100644
--- a/src/tv2_afvd_showstyle/parts/server.ts
+++ b/src/tv2_afvd_showstyle/parts/server.ts
@@ -1,5 +1,5 @@
 import { BlueprintResultPart, HackPartMediaObjectSubscription, IBlueprintActionManifest } from 'blueprints-integration'
-import { AddScript, CreatePartServerBase, PartDefinition, SegmentContext, ServerPartProps } from 'tv2-common'
+import { AddScript, CreatePartServerBase, Part, PartDefinition, SegmentContext, ServerPartProps } from 'tv2-common'
 import { CasparLLayer, SisyfosLLAyer } from '../../tv2_afvd_studio/layers'
 import { GalleryBlueprintConfig } from '../helpers/config'
 import { EvaluateCues } from '../helpers/pieces/evaluateCues'
@@ -28,7 +28,7 @@ export async function CreatePartServer(
 		return basePartProps.part
 	}
 
-	let part = basePartProps.part.part
+	let part: Part = basePartProps.part.part
 	const pieces = basePartProps.part.pieces
 	const adLibPieces = basePartProps.part.adLibPieces
 	const duration = basePartProps.duration
@@ -57,6 +57,7 @@ export async function CreatePartServer(
 
 	if (pieces.length === 0) {
 		part.invalid = true
+		part.invalidity = { reason: 'The part has no pieces.' }
 	}
 
 	return {
diff --git a/src/tv2_afvd_showstyle/parts/teknik.ts b/src/tv2_afvd_showstyle/parts/teknik.ts
index 0263bac8..ad5d8039 100644
--- a/src/tv2_afvd_showstyle/parts/teknik.ts
+++ b/src/tv2_afvd_showstyle/parts/teknik.ts
@@ -3,10 +3,9 @@ import {
 	HackPartMediaObjectSubscription,
 	IBlueprintActionManifest,
 	IBlueprintAdLibPiece,
-	IBlueprintPart,
 	IBlueprintPiece
 } from 'blueprints-integration'
-import { AddScript, PartDefinition, PartTime, SegmentContext } from 'tv2-common'
+import { AddScript, Part, PartDefinition, PartTime, SegmentContext } from 'tv2-common'
 import { GalleryBlueprintConfig } from '../helpers/config'
 import { EvaluateCues } from '../helpers/pieces/evaluateCues'
 import { SourceLayer } from '../layers'
@@ -17,7 +16,7 @@ export async function CreatePartTeknik(
 	totalWords: number
 ): Promise<BlueprintResultPart> {
 	const partTime = PartTime(context.config, partDefinition, totalWords, false)
-	const part: IBlueprintPart = {
+	const part: Part = {
 		externalId: partDefinition.externalId,
 		title: partDefinition.type + ' - ' + partDefinition.rawType,
 		metaData: {}
@@ -45,6 +44,7 @@ export async function CreatePartTeknik(
 
 	if (pieces.length === 0) {
 		part.invalid = true
+		part.invalidity = { reason: 'The part has no pieces.' }
 	}
 
 	return {
diff --git a/src/tv2_afvd_showstyle/parts/unknown.ts b/src/tv2_afvd_showstyle/parts/unknown.ts
index d8aff93d..c66cf2ae 100644
--- a/src/tv2_afvd_showstyle/parts/unknown.ts
+++ b/src/tv2_afvd_showstyle/parts/unknown.ts
@@ -2,7 +2,6 @@ import {
 	HackPartMediaObjectSubscription,
 	IBlueprintActionManifest,
 	IBlueprintAdLibPiece,
-	IBlueprintPart,
 	IBlueprintPiece
 } from 'blueprints-integration'
 import {
@@ -10,6 +9,7 @@ import {
 	applyFullGraphicPropertiesToPart,
 	GetJinglePartProperties,
 	GraphicIsPilot,
+	Part,
 	PartDefinition,
 	PartTime,
 	ShowStyleContext
@@ -28,7 +28,7 @@ export async function CreatePartUnknown(
 ) {
 	const partTime = PartTime(context.config, partDefinition, totalWords, false)
 
-	let part: IBlueprintPart = {
+	let part: Part = {
 		externalId: partDefinition.externalId,
 		title: partDefinition.type + ' - ' + partDefinition.rawType,
 		metaData: {},
@@ -70,6 +70,7 @@ export async function CreatePartUnknown(
 
 	if (pieces.length === 0) {
 		part.invalid = true
+		part.invalidity = { reason: 'The part has no pieces.' }
 	}
 
 	part.hackListenToMediaObjectUpdates = mediaSubscriptions
diff --git a/src/tv2_offtube_showstyle/parts/OfftubeKam.ts b/src/tv2_offtube_showstyle/parts/OfftubeKam.ts
index 2dc07380..0fd21d2e 100644
--- a/src/tv2_offtube_showstyle/parts/OfftubeKam.ts
+++ b/src/tv2_offtube_showstyle/parts/OfftubeKam.ts
@@ -77,7 +77,9 @@ export async function OfftubeCreatePartKam(
 	} else {
 		const sourceInfoCam = findSourceInfo(context.config.sources, partDefinition.sourceDefinition)
 		if (sourceInfoCam === undefined) {
-			return CreatePartInvalid(partDefinition)
+			return CreatePartInvalid(partDefinition, {
+				reason: `No configuration found for the camera source '${partDefinition.rawType}'.`
+			})
 		}
 		const switcherInput = sourceInfoCam.port