How To Fix ON118 - Select at most one object type

ON118 - Overview

• Message type: E = Error

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

• Message number: 118

• Message text: Select at most one object type

What causes this issue?

You have executed Goto->New relationship environment. However at the
moment more than one object type is selected. Therefore a unique choice
is not possible.

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 at the most one object type, or position the cursor on one
object type if you have not selected an object type, and redo the
operation.

Error message extract from SAP system. Copyright SAP SE.

ON118 - Details

• The SAP error message ON118, which states "Select at most one object type," typically occurs in the context of object selection in SAP, particularly when working with object management tools or transaction codes that require the user to specify a single object type for processing.
  
  Cause:
  The error arises when the user attempts to select multiple object types in a scenario where only one is allowed. This can happen in various SAP transactions or reports where the system expects a single object type to be specified for operations such as deletion, modification, or analysis.
  
  Solution:
  To resolve the ON118 error, follow these steps:
  
  
  Review Your Selection: Go back to the selection screen where the error occurred. Ensure that you have selected only one object type. For example, if you are working with different types of objects (like programs, function modules, or classes), make sure to choose only one.
  
  
  Clear Multiple Selections: If you have inadvertently selected