How To Fix OL520 - Object type '&' is not defined

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 520

• Message text: Object type '&' is not defined

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 OL520 - Object type '&' is not defined ?

  The SAP error message OL520, which states "Object type '&' is not defined," typically occurs when the system is unable to recognize or find a specific object type that is being referenced in a transaction or program. This can happen for various reasons, including configuration issues, missing definitions, or incorrect object type references.
  Causes:
  
  Missing Object Type Definition: The object type you are trying to use has not been defined in the system.
  Incorrect Object Type Name: There may be a typo or incorrect naming in the object type reference.
  Authorization Issues: The user may not have the necessary authorizations to access the object type.
  Transport Issues: If the object type was recently transported from another system, it may not have been properly imported or activated.
  Custom Development: If the object type is part of a custom development, it may not have been created or activated correctly.
  
  Solutions:
  
  
  Check Object Type Definition:
  
  Go to the relevant transaction (e.g., SE11 for Data Dictionary) and check if the object type is defined.
  If it is missing, you may need to create it or ensure it is properly configured.
  
  
  
  Verify Object Type Name:
  
  Double-check the spelling and syntax of the object type in your code or configuration.
  Ensure that you are using the correct object type as per the documentation.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the object type.
  You can check this in transaction SU53 or by consulting with your security team.
  
  
  
  Check Transport Logs:
  
  If the object type was recently transported, check the transport logs for any errors or issues during the import process.
  Ensure that all necessary objects were included in the transport request.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific object type for any additional configuration steps that may be required.
  
  
  
  Debugging:
  
  If you are a developer, you can use the debugger to trace where the error occurs and gather more context about the object type being referenced.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  SAP Help Portal: Utilize the SAP Help Portal for documentation related to the specific module or functionality you are working with.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP Basis or development team for further assistance.