working on backend-side translations

translations/src/main/resources/de.json

@@ -127,6 +127,7 @@
   "failed_to_switch_positions": "Failed to switch positions {0} and {1} of document {2}",
   "failed_to_update_column": "Failed to update column {0} → {1} of {2}",
   "failed_to_update_entity": "Failed to update {0} in database",
+  "failed_to_update_table": "Failed to update {0} table!",
   "family_name": "Familenname",
   "file": "Datei",
   "files": "Dateien",
@@ -182,6 +183,7 @@
   "message": "Nachricht",
   "messages": "Benachrichtigungen",
   "miscellaneous_settings": "sonstige Einstellungen",
+  "missing_new_item_id": "Old item id ({0}) has no new counterpart!",
   "mismatch": "ungleich",
   "model": "Modell",
   "models": "Modelle",
@@ -332,8 +334,10 @@
   "type_offer": "Angebot",
   "type_reminder": "Erinnerung",
 
+  "unexpected_item_id_format": "Expected old item ID to be of the form ss:dd:dd, encountered {0}!",
   "unit": "Einheit",
   "unit_price": "Preis/Einheit",
+  "unknown_item_location": "Item {0} of {1} {2} refers to location {3}, which is unknown!",
   "unlink": "Trennen",
   "update": "aktualisieren",
   "UPDATE_USERS" : "Nutzer aktualisieren",