How To Fix GJ500 - Field BSEG-XREF1 is NOT defined as modifiable in the doc. change rules

GJ500 - Overview

• Message type: E = Error

• Message class: GJ - Joint Venture Accounting

• Message number: 500

• Message text: Field BSEG-XREF1 is NOT defined as modifiable in the doc. change rules

What causes this issue?

The partner reference field is not defined as modifiable in the table
for document changing rules.

System Response

The documents connot be changed and therefore no processing happens
at all

How to fix this error?

Change the table for document changing rules and add/modify the field
BSEG-XREF1 as modifiable. (account type D or blank, transaction type
blank)

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GJ500 - Field BSEG-XREF1 is NOT defined as modifiable in the doc. change rules ?

  The SAP error message GJ500, which states that "Field BSEG-XREF1 is NOT defined as modifiable in the doc. change rules," typically occurs when there is an attempt to modify a field in a document that is not allowed according to the document change rules defined in the system. This error is often encountered in the context of financial documents, such as invoices or journal entries, where certain fields are restricted from being changed after the document has been posted.
  
  Cause:
  
  Document Change Rules: SAP has predefined rules that determine which fields can be modified after a document is posted. The field BSEG-XREF1 (which is often used for reference purposes) is not set as modifiable in the change rules for the document type you are working with.
  Document Status: The document may be in a status that does not allow changes (e.g., it has been cleared, archived, or is in a closed period).
  Customizations: There