How To Fix FI635 - You must not change assignment to company code &

FI635 - Overview

• Message type: E = Error

• Message class: FI - TR-FM Funds Management

• Message number: 635

• Message text: You must not change assignment to company code &

What causes this issue?

Cash Budget Management is active in the company code specified.

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?

Check that you have chosen the correct company code. You may need to
deactivate Cash Budget Management in this company code before
deactivating assignment. You must then reactivate it (Cash Budget
Management implementation guide).

Error message extract from SAP system. Copyright SAP SE.

FI635 - Details

• The SAP error message FI635 ("You must not change assignment to company code &") typically occurs when there is an attempt to change the assignment of a financial document or transaction to a different company code in a way that is not allowed by the system. This can happen in various scenarios, such as during document posting, adjustments, or when trying to change master data.
  
  Cause:
  
  Document Type Restrictions: Certain document types may have restrictions that prevent changing the company code assignment.
  Cross-Company Code Transactions: The system may not allow changing the company code if the transaction involves multiple company codes.
  Configuration Settings: The configuration settings in the Financial Accounting (FI) module may restrict changes to company code assignments.
  Document Status: The document may be in a status that does not allow changes (e.g., posted, cleared).
  Authorization Issues: The user may not have the necessary authorizations to make changes to the company code assignment.
  
  
  Solution:
  
  Check Document Type: