diff --git a/ToDo.adoc b/ToDo.adoc
index 1dd41ea76e..5af5e5bf31 100644
--- a/ToDo.adoc
+++ b/ToDo.adoc
@@ -1,5 +1,4 @@
 ==== Aktuell:
-- History-Entries für EmployeeValidityAttrDO werden nicht ordentlich geschrieben.
 - JCR: Tool for removing or recovering orphaned nodes.
 - Favoriten bei Scriptausführung für Parameter.
 - KI-Anteil in Zeitberichten
@@ -15,7 +14,6 @@
 - Kalendereinträge und Subscriptions.
 - LoginProtection: Increases penalty time for DAV only after 5 tries.
 
-- Auftragsbuch nächtlich persistieren (als json-zip) für Forecast-Vergleiche.
 - Apple for Webauthn4j
 - Abwesenheiten
 - Fakturaquote Monatsbericht
@@ -36,10 +34,7 @@ History
 - ProjektEdit: History enthält keine neuen Kost2DOs/Arten (Einträge sind aber da).
 - CronReindexingHourlyJob ohne Effekt.
 - Reindizierung der letzten n einträge nicht migriert (sinnvoll?).
-- history-entries bei EmployeeValidityAttrDO nichtssagend.
-- HistoryEntry: EmployeeValidityAttrDO.insert muss sinnvoll für Anzeige formatiert werden.
 - PFHistoryMasterDO: Indexe setzen, wenn Einträge wieder gehen.
-- XML-Import für Testsystem
 - UserRightId: ClassBridge müsste eigentlich in die Felder der benutzenden DOs
 - reindexing settings implementieren. Aktuell wird nur komplett gemass-indexed.
 - History of AddressCampaignValueDO's (AddressCampaignValueDao.convertToDisplayHistoryEntries removed)
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/EmployeeValidSinceAttrHistoryAdapter.kt b/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/EmployeeValidSinceAttrHistoryAdapter.kt
index ec7a3684b8..ba80ed3e23 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/EmployeeValidSinceAttrHistoryAdapter.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/EmployeeValidSinceAttrHistoryAdapter.kt
@@ -52,11 +52,11 @@ class EmployeeValidSinceAttrHistoryAdapter : HistoryFormatAdapter() {
                     })
                 }
                 displayHistoryEntry.attributes.forEach { attr ->
-                    val displayPropname = attr.displayPropertyName ?: ""
-                    attr.displayPropertyName = if (attr.displayPropertyName.isNullOrEmpty()) {
+                    val displayPropname = attr.displayPropertyName
+                    attr.displayPropertyName = if (displayPropname.isNullOrEmpty()) {
                         prefix
                     } else {
-                        "$prefix.${attr.displayPropertyName}"
+                        "$prefix.$displayPropname"
                     }
                 }
             }
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/kost/KostZuweisungExport.kt b/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/kost/KostZuweisungExport.kt
index 89fc3ef3a8..633cc1c495 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/kost/KostZuweisungExport.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/kost/KostZuweisungExport.kt
@@ -216,7 +216,7 @@ class KostZuweisungExport {
             }
             var konto: KontoDO? = null
             if (rechnung is RechnungDO) {
-                konto = kontoCache.getKontoIfNotInitialized(rechnung.konto)
+                konto = kontoCache.getKonto(rechnung)
             } else if (rechnung is EingangsrechnungDO) {
                 konto = kontoCache.getKontoIfNotInitialized(rechnung.konto)
             }
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/orderbooksnapshots/OrderbookSnapshotsSanityCheck.kt b/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/orderbooksnapshots/OrderbookSnapshotsSanityCheck.kt
index 415e77fc5c..8dbdbca6ff 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/orderbooksnapshots/OrderbookSnapshotsSanityCheck.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/business/fibu/orderbooksnapshots/OrderbookSnapshotsSanityCheck.kt
@@ -49,7 +49,7 @@ class OrderbookSnapshotsSanityCheck(val orderbookSnapshotsService: OrderbookSnap
                 val orders = orderbookSnapshotsService.readSnapshot(date)
                 val lastUpdate = orders?.maxOf { it.lastUpdate ?: Date(0L) }
                 val highestOrderNumber = orders?.maxOf { it.nummer ?: -1 }
-                jobExecutionContext.addMessage("Snapshot for date $date (${it.size.formatBytes()}) is readable: ${orders?.size?.format()} orders, highest order number=${highestOrderNumber.format()} lastUpdate=${lastUpdate.isoString()}.")
+                jobExecutionContext.addMessage("Snapshot for date $date (${it.size.formatBytes()}) is readable: ${orders?.size?.format()} orders, highest order number=${highestOrderNumber.format()}, last update of any order=${lastUpdate.isoString()}.")
             } catch (e: Exception) {
                 jobExecutionContext.addError("Error reading snapshot for date $date: $e")
             }
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/business/jobs/CronSanityCheckJob.kt b/projectforge-business/src/main/kotlin/org/projectforge/business/jobs/CronSanityCheckJob.kt
index a440335a52..ca816b2bd7 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/business/jobs/CronSanityCheckJob.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/business/jobs/CronSanityCheckJob.kt
@@ -95,7 +95,7 @@ class CronSanityCheckJob {
                                 .add(Html.P("Your ProjectForge system"))
                         }
                         msg.content = contextList.getReportAsHtml(showAllMessages = false, intro)
-                        msg.contentType = Mail.CONTENTTYPE_TEXT
+                        msg.contentType = Mail.CONTENTTYPE_HTML
                         val attachments = listOf(MailAttachment(FILENAME, contextList.getReportAsHtml().toByteArray()))
                         sendMail.send(msg, null, attachments)
                     }
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/business/scripting/MyScriptDao.kt b/projectforge-business/src/main/kotlin/org/projectforge/business/scripting/MyScriptDao.kt
index d1ffd4a9f1..9163c52568 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/business/scripting/MyScriptDao.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/business/scripting/MyScriptDao.kt
@@ -64,7 +64,7 @@ open class MyScriptDao : AbstractScriptDao() {
         }
       }
       obj.executableByGroupIds?.split(",")?.forEach { groupId ->
-        groupId.toLongOrNull()?.let { gid ->
+        groupId.trim().toLongOrNull()?.let { gid ->
           if (userGroupCache.isUserMemberOfGroup(userId, gid)) {
             // Logged-in user is member of this group listed in executableByGroupIds
             return true
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/DisplayHistoryEntry.kt b/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/DisplayHistoryEntry.kt
index aec0deb085..d6e1d3c909 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/DisplayHistoryEntry.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/DisplayHistoryEntry.kt
@@ -40,6 +40,10 @@ class DisplayHistoryEntry {
     var modifiedByUserId: Long? = null
     var modifiedByUser: String? = null
     var operationType: EntityOpType? = null
+        set(value) {
+            field = value
+            operation = HistoryFormatService.translate(value)
+        }
     var operation: String? = null
     var attributes = mutableListOf<DisplayHistoryEntryAttr>()
 
@@ -53,7 +57,6 @@ class DisplayHistoryEntry {
                 entry.modifiedByUserId = modifiedByUser?.id
                 entry.modifiedByUser = modifiedByUser?.getFullname() ?: historyEntry.modifiedBy
                 entry.operationType = historyEntry.entityOpType
-                entry.operation = HistoryFormatService.translate(historyEntry.entityOpType)
             }
         }
     }
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/DisplayHistoryEntryAttr.kt b/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/DisplayHistoryEntryAttr.kt
index bdb5e7a700..8b598947c2 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/DisplayHistoryEntryAttr.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/DisplayHistoryEntryAttr.kt
@@ -26,6 +26,10 @@ package org.projectforge.framework.persistence.history
 class DisplayHistoryEntryAttr {
     var id: Long? = null
     var operationType: PropertyOpType? = null
+        set(value) {
+            field = value
+            operation = HistoryFormatService.translate(value)
+        }
     var operation: String? = null
     var propertyName: String? = null
     var displayPropertyName: String? = null
@@ -39,7 +43,6 @@ class DisplayHistoryEntryAttr {
             return DisplayHistoryEntryAttr().also {
                 it.id = attr.id
                 it.operationType = attr.opType
-                it.operation = HistoryFormatService.translate(attr.opType)
                 it.propertyName = HistoryFormatUtils.getPlainPropertyName(attr)
                 it.displayPropertyName = attr.displayPropertyName
                 if (it.displayPropertyName == null && entityClass != null) {
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/HistoryFormatService.kt b/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/HistoryFormatService.kt
index f7f31f881f..436bd1b90f 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/HistoryFormatService.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/HistoryFormatService.kt
@@ -105,7 +105,6 @@ class HistoryFormatService {
                 // Add the operation as attribute, if a propertyPrefix is given.
                 displayHistoryEntry.attributes.add(DisplayHistoryEntryAttr().also { attr ->
                     attr.operationType = PropertyOpType.Insert
-                    attr.operation = context.requiredDisplayHistoryEntry.operation
                     attr.displayPropertyName = propertyPrefix
                     attr.newValue = attr.operation
                 })
diff --git a/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/HistoryFormatUserRightAdapter.kt b/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/HistoryFormatUserRightAdapter.kt
index 2223ec3dbc..b8692f03f2 100644
--- a/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/HistoryFormatUserRightAdapter.kt
+++ b/projectforge-business/src/main/kotlin/org/projectforge/framework/persistence/history/HistoryFormatUserRightAdapter.kt
@@ -54,7 +54,6 @@ class HistoryFormatUserRightAdapter(
                 }
                 attr.newValue = if (valueI18nKey != null) translate(valueI18nKey) else right.value?.toString()
                 attr.operationType = propertyOpType
-                attr.operation = HistoryFormatService.translate(propertyOpType)
             }
         }
     }
diff --git a/projectforge-jcr/src/main/kotlin/org/projectforge/jcr/JCRCheckSanityCheckJob.kt b/projectforge-jcr/src/main/kotlin/org/projectforge/jcr/JCRCheckSanityCheckJob.kt
index 8433f44749..54c545e773 100644
--- a/projectforge-jcr/src/main/kotlin/org/projectforge/jcr/JCRCheckSanityCheckJob.kt
+++ b/projectforge-jcr/src/main/kotlin/org/projectforge/jcr/JCRCheckSanityCheckJob.kt
@@ -37,6 +37,10 @@ import javax.jcr.Node
 
 private val log = KotlinLogging.logger {}
 
+/**
+ * Checks the sanity of the JCR repository.
+ * This job is scheduled by the cron expression in the application.properties file.
+ */
 @Component
 open class JCRCheckSanityCheckJob : AbstractJob("JCR Check Sanity") {
     @Autowired