How To Fix FL190 - Invalid modification

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL190 - Invalid modification ?

  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 Logic Restrictions: Some business processes may have built-in restrictions that prevent modifications after certain actions have been taken (e.g., after a period-end closing).
  
  
  Solutions to FL190 Invalid Modification
  
  
  Check Document Status: Verify the status of the document you are trying to modify. If it is already posted or cleared, you may need to reverse the document or create a new one instead.
  
  
  Review Authorizations: Ensure that the user has the necessary authorizations to modify the document. This may involve checking user roles and permissions in the SAP system.
  
  
  Validate Data Entries: Double-check the data you are trying to modify. Ensure that all required fields are filled out correctly and that there are no invalid entries.
  
  
  Consult Configuration Settings: If you suspect that system configuration is causing the issue, consult with your SAP Basis or configuration team to review the settings related to document modifications.
  
  
  Follow Business Process Guidelines: Ensure that you are following the correct business processes for modifying documents. If modifications are restricted after certain actions, you may need to adhere to those guidelines.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as FB02 (Change Document), FB03 (Display Document), or others related to financial postings.
  SAP Notes: Check for any SAP Notes related to the error message FL190, as they may provide specific fixes or workarounds.
  Documentation: Review SAP documentation or user manuals for guidance on handling financial documents and understanding the implications of modifications.
  
  By following these steps, you should be able to identify the cause of the FL190 error and implement a suitable solution.