How To Fix WG145 - Document type contains errors. Change document cannot be determined!

WG145 - Overview

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 145

• Message text: Document type contains errors. Change document cannot be determined!

What causes this issue?

Unknown document category

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter:
1 for purchase requisition
3 for purchase order
4 for delivery
7 for sales order

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WG145 - Document type contains errors. Change document cannot be determined! ?

  The SAP error message:
  WG145 - Document type contains errors. Change document cannot be determined!
  
  
  Cause:
  This error typically occurs when the system tries to create or change a document (such as a goods movement, delivery, or invoice) and attempts to determine the change document object for logging changes, but the document type configuration is incomplete or incorrect.
  Specifically, the error means that the document type used in the transaction does not have a properly assigned change document object or the configuration for change document determination is missing or inconsistent.
  
  Explanation:
  
  SAP uses change documents to log changes to business objects for audit and tracking purposes.
  Each document type (e.g., material document type, delivery document type) should be linked to a change document object.
  If this link is missing or incorrectly maintained, SAP cannot determine how to log changes, resulting in this error.
  
  
  Common Scenarios:
  
  Custom or new document types created without proper configuration.
  Transport or system copy issues where customizing