diff --git a/Kitodo/src/main/java/org/kitodo/production/forms/CalendarForm.java b/Kitodo/src/main/java/org/kitodo/production/forms/CalendarForm.java
index c1855455af9..2f687b8d021 100644
--- a/Kitodo/src/main/java/org/kitodo/production/forms/CalendarForm.java
+++ b/Kitodo/src/main/java/org/kitodo/production/forms/CalendarForm.java
@@ -603,7 +603,8 @@ public void removeBlock(Block block) {
      */
     public void addIssue(Block block) {
         if (Objects.nonNull(block)) {
-            Issue issue = block.addIssue();
+            block.addIssue();
+            block.checkIssuesWithSameHeading();
         }
     }
 
@@ -919,11 +920,13 @@ public String getMetadataValue(ProcessDetail processDetail) {
      */
     public void checkDuplicatedTitles() throws ProcessGenerationException, DataException, DAOException,
             ConfigurationException, IOException, DoctypeMissingException {
-        Process process = ServiceManager.getProcessService().getById(parentId);
-        NewspaperProcessesGenerator newspaperProcessesGenerator = new NewspaperProcessesGenerator(process, course);
-        newspaperProcessesGenerator.initialize();
-        if (!newspaperProcessesGenerator.isDuplicatedTitles()) {
-            PrimeFaces.current().executeScript("PF('createProcessesConfirmDialog').show();");
+        if (course.parallelStream().noneMatch(block -> Objects.equals(block.checkIssuesWithSameHeading(), true))) {
+            Process process = ServiceManager.getProcessService().getById(parentId);
+            NewspaperProcessesGenerator newspaperProcessesGenerator = new NewspaperProcessesGenerator(process, course);
+            newspaperProcessesGenerator.initialize();
+            if (!newspaperProcessesGenerator.isDuplicatedTitles()) {
+                PrimeFaces.current().executeScript("PF('createProcessesConfirmDialog').show();");
+            }
         }
     }
 
diff --git a/Kitodo/src/main/resources/messages/messages_de.properties b/Kitodo/src/main/resources/messages/messages_de.properties
index 2e61210ea4e..713c37a66f7 100644
--- a/Kitodo/src/main/resources/messages/messages_de.properties
+++ b/Kitodo/src/main/resources/messages/messages_de.properties
@@ -119,7 +119,7 @@ calendar.issue.add=Ausgabe hinzuf\u00FCgen
 calendar.issue.delete=Ausgabe l\u00F6schen
 calendar.issue.delete.query=Wollen Sie die Augabe l\u00F6schen?
 calendar.jumpToDay=Zu Tag springen
-calendar.metadata.global.add=Metadatum allen Ausgaben hinzuf\u00FC</h4>gen
+calendar.metadata.global.add=Metadatum allen Ausgaben hinzuf\u00FCgen
 calendar.metadata.issue.add=Metadatum hinzuf\u00FCgen
 calendar.metadata.global.add.tooltip=Metadatum zu allen erschienen Ausgaben hinzuf\u00FCgen
 calendar.metadata.issue.add.tooltip=Metadatum zu allen erschienen Ausgaben ab dieser hinzuf\u00FCgen
diff --git a/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarDayDialog.xhtml b/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarDayDialog.xhtml
index daaf4de6989..473e5be5ccc 100644
--- a/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarDayDialog.xhtml
+++ b/Kitodo/src/main/webapp/WEB-INF/templates/includes/calendarEdit/calendarDayDialog.xhtml
@@ -153,7 +153,7 @@
                                                       title="#{metadata.metadataDetail.value}">
                                             <p:spinner id="spinner"
                                                        value="#{metadata.metadataDetail.value}">
-                                                <p:ajax event="blur"/>
+                                                <p:ajax event="blur" update="calendarDayForm"/>
                                             </p:spinner>
                                         </h:panelGroup>
                                         <h:panelGroup rendered="#{metadata.metadataDetail.input eq 'calendar'}">
@@ -162,7 +162,7 @@
                                                         pattern="yyyy-MM-dd"
                                                         styleClass="input-with-button"
                                                         showOn="button">
-                                                <p:ajax event="dateSelect"/>
+                                                <p:ajax event="dateSelect" update="calendarDayForm"/>
                                             </p:calendar>
                                         </h:panelGroup>
                                         <h:panelGroup rendered="#{metadata.metadataDetail.input eq 'manyMenu'}">
@@ -170,7 +170,7 @@
                                                               value="#{metadata.metadataDetail.selectedItems}"
                                                               showCheckbox="true">
                                                 <f:selectItems value="#{metadata.metadataDetail.items}"/>
-                                                <p:ajax event="change"/>
+                                                <p:ajax event="change" update="calendarDayForm"/>
                                             </p:selectManyMenu>
                                         </h:panelGroup>
                                         <h:panelGroup rendered="#{metadata.metadataDetail.input eq 'oneMenu'}"
@@ -182,7 +182,7 @@
                                                               itemLabel="#{msgs.notSelected}"
                                                               noSelectionOption="true"/>
                                                 <f:selectItems value="#{metadata.metadataDetail.items}"/>
-                                                <p:ajax event="change"/>
+                                                <p:ajax event="change" update="calendarDayForm"/>
                                             </p:selectOneMenu>
                                         </h:panelGroup>
                                         <h:panelGroup rendered="#{metadata.metadataDetail.input eq 'oneRadio'}">
@@ -191,14 +191,14 @@
                                                               layout="grid"
                                                               columns="1">
                                                 <f:selectItems value="#{metadata.metadataDetail.items}"/>
-                                                <p:ajax/>
+                                                <p:ajax update="calendarDayForm"/>
                                             </p:selectOneRadio>
                                         </h:panelGroup>
                                         <h:panelGroup rendered="#{metadata.metadataDetail.input eq 'toggleSwitch'}"
                                                       title="#{metadata.metadataDetail.active.toString()}">
                                             <p:selectBooleanCheckbox id="selectBooleanCheckbox"
                                                                      value="#{metadata.metadataDetail.active}">
-                                                <p:ajax event="change"/>
+                                                <p:ajax event="change" update="calendarDayForm"/>
                                             </p:selectBooleanCheckbox>
                                         </h:panelGroup>