How To Fix ES121 - The specified object type is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: ES - ABAP Workbench: Repository Information System

• Message number: 121

• Message text: The specified object type is unknown

What causes this issue?

The object type you specified to the ABAP/4 Repository Information
System was not found in the table EUOBJINF.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ES121 - The specified object type is unknown ?

  The SAP error message ES121, which states "The specified object type is unknown," typically occurs when the system cannot recognize or find the object type that is being referenced in a transaction or program. This can happen in various contexts, such as when working with ABAP programs, customizing, or during data processing.
  Causes:
  
  Incorrect Object Type: The object type specified in the transaction or program does not exist or is misspelled.
  Missing Authorization: The user may not have the necessary authorizations to access the specified object type.
  Transport Issues: If the object type was recently transported from another system, it may not have been properly imported or activated.
  Configuration Errors: There may be issues in the configuration settings that define the object types.
  Version Mismatch: The object type may exist in a different version of the system or in a different client.
  
  Solutions:
  
  Check Object Type: Verify that the object type you are trying to access is correctly spelled and exists in the system. You can do this by checking the relevant transaction or table.
  Authorization Check: Ensure that the user has the necessary authorizations to access the object type. You may need to consult with your security team to verify and adjust authorizations.
  Transport Management: If the object type was recently transported, check the transport logs to ensure that it was successfully imported and activated. You may need to re-import the transport request.
  Configuration Review: Review the configuration settings related to the object type. Ensure that all necessary settings are in place and correctly configured.
  System Consistency: If you suspect a version mismatch, check if the object type exists in the current version of the system. You may need to consult with your Basis team to ensure system consistency.
  Debugging: If you are a developer, you can use the ABAP debugger to trace where the error occurs in the code and identify the specific object type that is causing the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to the official SAP documentation for the specific module or transaction you are working with to understand the expected object types and their configurations.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.