How To Fix ON120 - Choose an object type by selecting or positioning

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 120

• Message text: Choose an object type by selecting or positioning

What causes this issue?

You have executed Edit->Select on/off->Redundant object types or
Goto->New relationship environment. However at the moment no object
type is selected and the cursor is not positioned on an object type.
Therefore, no new central object type can be selected.

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?

Select an object type or position the cursor on an object type and redo
the operation.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ON120 - Choose an object type by selecting or positioning ?

  The SAP error message ON120 ("Choose an object type by selecting or positioning") typically occurs in the context of object selection in SAP, particularly when the system expects the user to select a specific object type but none has been selected or the selection is invalid.
  Cause:
  
  No Selection Made: The user has not selected any object type from the available options.
  Invalid Selection: The selected object type is not valid for the operation being performed.
  User Authorization: The user may not have the necessary authorizations to access or select the object type.
  System Configuration: There may be issues with the configuration of the object types in the system.
  
  Solution:
  
  Select an Object Type: Ensure that you have selected a valid object type from the list provided in the interface. This may involve clicking on the appropriate radio button or dropdown menu.
  Check Validity: Make sure that the object type you are trying to select is valid for the transaction or operation you are performing.
  Review Authorizations: If you suspect that authorization might be an issue, check with your SAP administrator to ensure you have the necessary permissions to access the object types.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction you are using to understand the required object types.
  System Configuration: If you are an administrator, check the configuration settings for the object types in the relevant SAP module to ensure they are set up correctly.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., MM, SD, PM).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  Training: If you are new to SAP, consider undergoing training to better understand object selection and navigation within the system.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact your SAP support team for further assistance.