diff --git a/internal/gmm/handler.go b/internal/gmm/handler.go
index c9e0665..f228524 100644
--- a/internal/gmm/handler.go
+++ b/internal/gmm/handler.go
@@ -638,8 +638,7 @@ func HandleInitialRegistration(ue *context.AmfUe, anType models.AccessType) erro
 	if ue.RegistrationRequest.Capability5GMM != nil {
 		ue.Capability5GMM = *ue.RegistrationRequest.Capability5GMM
 	} else {
-		gmm_message.SendRegistrationReject(ue.RanUe[anType], nasMessage.Cause5GMMProtocolErrorUnspecified, "")
-		return fmt.Errorf("Capability5GMM is nil")
+		ue.GmmLog.Warnf("Capability5GMM is nil, Not sending a Registration Reject")
 	}
 
 	storeLastVisitedRegisteredTAI(ue, ue.RegistrationRequest.LastVisitedRegisteredTAI)
@@ -797,8 +796,7 @@ func HandleMobilityAndPeriodicRegistrationUpdating(ue *context.AmfUe, anType mod
 		ue.Capability5GMM = *ue.RegistrationRequest.Capability5GMM
 	} else {
 		if ue.RegistrationType5GS != nasMessage.RegistrationType5GSPeriodicRegistrationUpdating {
-			gmm_message.SendRegistrationReject(ue.RanUe[anType], nasMessage.Cause5GMMProtocolErrorUnspecified, "")
-			return fmt.Errorf("Capability5GMM is nil")
+			ue.GmmLog.Warnf("Capability5GMM is nil, Not sending a Registration Reject")
 		}
 	}