How To Fix OL521 - Object type name '&' is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 521

• Message text: Object type name '&' is not valid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OL521 - Object type name '&' is not valid ?

  The SAP error message OL521, which states "Object type name '&' is not valid," typically occurs when there is an issue with the object type being referenced in a transaction or program. This error can arise in various contexts, such as when working with object links, object types in the SAP Business Workflow, or when dealing with custom developments.
  Causes:
  
  Invalid Object Type: The object type specified in the transaction or program does not exist or is not recognized by the system.
  Typographical Error: There may be a typo in the object type name, leading to the system not being able to find it.
  Authorization Issues: The user may not have the necessary authorizations to access the specified object type.
  Configuration Issues: The object type may not be properly configured in the system, or it may have been deleted or deactivated.
  Custom Development: If the error occurs in a custom program, it may be due to incorrect coding or configuration of the object type.
  
  Solutions:
  
  Check Object Type Name: Verify that the object type name is correct and exists in the system. You can do this by checking the relevant configuration or using transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator).
  Correct Typographical Errors: Ensure that there are no typos in the object type name being used.
  Review Authorizations: Check if the user has the necessary authorizations to access the object type. This can be done by reviewing the user's roles and authorizations.
  Configuration Review: If the object type is part of a configuration, ensure that it is correctly set up and active. You may need to consult with a functional consultant or check the relevant customizing settings.
  Debugging Custom Code: If the error occurs in a custom program, debug the code to identify where the invalid object type is being referenced and correct it accordingly.
  Consult Documentation: Refer to SAP documentation or help resources for more information on the specific object type and its usage.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE80, and SE37 (for function modules) to investigate object types and their definitions.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups for insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the OL521 error and implement a suitable solution.