How To Fix ON210 - At least one object type was not found

SAP Error Message - Details

• Message type: E = Error

• Message class: ON - Tools in area Object Modeler / Object Editor

• Message number: 210

• Message text: At least one object type was not found

What causes this issue?

The corresponding object type ID's for a set of object types were read
from the database. During this at least one object type was not found.
Possible cause: The contents of the database have changed since the
last reorganization/update of the list. At least one of the object
types represented earlier has been deleted.

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 ON210 - At least one object type was not found ?

  The SAP error message ON210, which states "At least one object type was not found," typically occurs in the context of object management or when working with object types in SAP. This error can arise in various scenarios, such as when trying to create, modify, or delete objects in the system.
  Causes of Error ON210
  
  
  Missing Object Type: The object type you are trying to reference does not exist in the system. This could be due to a typo in the object type name or the object type not being defined in the system.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access or manipulate the specified object type.
  
  
  Configuration Issues: There may be configuration problems in the system that prevent the object type from being recognized.
  
  
  Transport Issues: If the object type was recently transported from another system, it may not have been properly imported or activated.
  
  
  Data Inconsistencies: There may be inconsistencies in the data that are causing the system to fail to recognize the object type.
  
  
  Solutions to Error ON210
  
  
  Check Object Type: Verify that the object type you are trying to use is correctly spelled and exists in the system. You can do this by checking the relevant configuration or object management transactions.
  
  
  Review Authorizations: Ensure that the user has the necessary authorizations to access the object type. You may need to consult with your SAP security team to verify and adjust user roles.
  
  
  Configuration Check: Review the configuration settings related to the object type. Ensure that all necessary settings are in place and that the object type is properly defined.
  
  
  Transport Validation: If the object type was recently transported, check the transport logs to ensure that the transport was successful and that all necessary objects were included.
  
  
  Data Consistency Check: Run consistency checks or validation reports to identify any data inconsistencies that may be causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the object type you are working with.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  
  Related Information
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to manage object types (e.g., SE11 for Data Dictionary, SE80 for Object Navigator).
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the ON210 error in your SAP system.