How To Fix U0079 - Check "&" is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: U0 - Correction checks, on demand checks

• Message number: 079

• Message text: Check "&" is invalid

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message U0079 - Check "&" is invalid ?

  The SAP error message U0079, which states "Check '&' is invalid," typically occurs in the context of validation checks within SAP systems, particularly when dealing with user-defined checks or validations in custom programs or configurations.
  Cause:
  
  Invalid Check Name: The error usually indicates that the check name specified (represented by "&") is not recognized by the system. This could be due to a typo, a check that has not been defined, or a check that has been deleted or deactivated.
  Configuration Issues: If the check is part of a configuration (like validation rules in financial documents), it may not be properly set up or activated.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or execute the check.
  Custom Development: If the error arises from custom ABAP code, it may be due to incorrect logic or references to checks that do not exist.
  
  Solution:
  
  Verify Check Name: Double-check the spelling and format of the check name in the configuration or program where the error occurs.
  Check Configuration: If the check is part of a configuration, ensure that it is properly defined and activated in the relevant transaction (e.g., OB28 for validation in financial documents).
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the check. This may involve checking roles and permissions in the user profile.
  Debugging: If the error is coming from custom code, use the ABAP debugger to trace the execution and identify where the invalid check is being referenced.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or functionality you are working with to see if there are any known issues or updates.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use transaction codes like SE80 (Object Navigator), SE37 (Function Module), or SE11 (Data Dictionary) to investigate further.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the U0079 error and implement a solution.