How To Fix ON161 - Object type &1 was not found

ON161 - Overview

• Message type: E = Error

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

• Message number: 161

• Message text: Object type &1 was not found

What causes this issue?

An attempt was made to read the object type &V1&. This object type (no
longer) exists. Therefore it cannot be displayed as a root in the
inheritance tree.

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?

No action is required. This is just for your information.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ON161 - Object type &1 was not found ?

  The SAP error message ON161, which states "Object type &1 was not found," typically occurs when the system is unable to locate a specific object type that is referenced in a transaction or program. This can happen for various reasons, and understanding the cause and potential solutions can help resolve the issue.
  Causes:
  
  Incorrect Object Type: The object type specified in the transaction or program may be incorrect or misspelled.
  Missing Configuration: The object type may not be configured in the system, or it may not exist in the relevant client.
  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.
  Data Consistency Issues: There may be inconsistencies in the database or application layer that prevent the object type from being recognized.
  
  Solutions:
  
  Verify Object Type: Check the object type specified in