SAP Message V1854 - Internal error in communication between configuration and sales doc.&1

Diagnosis
Internal error in communication between configuration and salesdocument in the form &V1&

System Response
The system cannot continue so terminates processing.

Procedure
Inform your system administrator.

568102Message CUIB1100 or V1854 when saving the sales document
580562Sales document item loses reference to configuration
114454Configuration lost for assembly order
1271804.5B Missing configurations in multi-level SET
392106Internal error: communication configuration - sales