How To Fix FICUSTOM158 - Account assignment change during document generation &1

FICUSTOM158 - Overview

• Message type: E = Error

• Message class: FICUSTOM - Customizable Messages for Funds Management

• Message number: 158

• Message text: Account assignment change during document generation &1

What causes this issue?

During the FM account assignment derivation, you attempted to change an
FM account assignment during document generation. This leads to
inconsistencies in your system.
Line/account assignment <(>&<)>1 are affected by this.

System Response

Changing the FM account assignment for the PROJECT event means that
different FM account assignments are updated in the active components in
your SAP system. Since this also involves Financial Accounting, this can
lead to follow-up costs being updated using incorrect account
assignments. It can also be the case that tax lines are not converted to
payment during the online payment update.

How to fix this error?

Change the FM account assignment derivation (transaction FMDERIVE), so
that the final FM account assignment is already derived for the RWIN
event CHECK. Tax lines whose account assignment is derived from document
splitting are excluded from this. It is only possible to derive the
commitment item for these lines.
If you are not able to make this change, or these restrictions do not
affect your business processes, you can deactivate the message
(customizable message). However, the issues described here will remain.

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.