How To Fix FMCA1029 - Reassignment not possible. Different account determination ID &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA1 - IS-PS-CA: Messages about Contract A/R & A/P

• Message number: 029

• Message text: Reassignment not possible. Different account determination ID &1 &2

What causes this issue?

You want to transfer items between contract accounts or contract objects
that have different account determination IDs.

System Response

The transfer between contract accounts or contract objects with
different account determination ID is not allowed. The account deter
mination ID determines the reconciliation account and the system does
not determine this again with the transfer.

How to fix this error?

Check your entry.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA1029 - Reassignment not possible. Different account determination ID &1 &2 ?

  The SAP error message FMCA1029, which states "Reassignment not possible. Different account determination ID &1 &2," typically occurs in the context of Funds Management (FM) when there is an attempt to reassign a budget or a commitment that involves different account determination IDs. This can happen when the system detects that the account determination IDs for the source and target budget or commitment are not the same, which is a requirement for reassignment.
  
  Cause:
  
  Different Account Determination IDs: The primary cause of this error is that the source and target budget or commitment are linked to different account determination IDs. This can happen if the budget was created under different conditions or configurations.
  
  Configuration Issues: There may be inconsistencies in the configuration of the Funds Management module, particularly in how account determination is set up for different budget types or funds.
  Data Entry Errors: Incorrect data entry during the creation of budgets or commitments