How To Fix FL190 - Invalid modification

FL190 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 190

• Message text: Invalid modification

What causes this issue?

You tried to make a change that is not supported by the Modification
Assistant.

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 if the change is really necessary or if you can use a workaround
that is supported by the Modification Assistant. If this is not
possible, you must deactivate the Modification Assistant.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FL190 - Details

• The SAP error message FL190 "Invalid modification" typically occurs in the context of financial transactions, particularly when dealing with financial documents or postings. This error can arise due to various reasons, and understanding the cause is essential for finding an appropriate solution.
  Causes of FL190 Invalid Modification
  
  
  Incorrect Document Status: The document you are trying to modify may be in a status that does not allow changes. For example, if the document is already posted or has been cleared, modifications may not be permitted.
  
  
  Authorization Issues: The user may not have the necessary authorizations to make changes to the document. This can happen if the user role does not include the required permissions.
  
  
  Data Inconsistencies: There may be inconsistencies in the data being modified, such as incorrect account numbers, missing mandatory fields, or invalid entries.
  
  
  System Configuration: Certain configurations in the SAP system may restrict modifications to specific types of documents or under certain conditions.
  
  
  Business