How To Fix TR236 - Select a key field

TR236 - Overview

• Message type: E = Error

• Message class: TR - Change and Transport System

• Message number: 236

• Message text: Select a key field

What causes this issue?

No namespace reservations could be created, since no key field was
selected.

System Response

You cannot create a reservation.

How to fix this error?

Select a key field and repeat the function.

Error message extract from SAP system. Copyright SAP SE.

TR236 - Details

• The SAP error message TR236, which states "Select a key field," typically occurs in the context of transport requests or when working with certain data objects in SAP. This error indicates that the system requires a key field to be selected for the operation you are trying to perform, but none has been selected.
  
  Cause:
  
  Missing Key Field Selection: The most common cause of this error is that the user has not selected a key field in a table or data object where a key field is required.
  Incorrect Configuration: Sometimes, the configuration of the transport request or the data object may not be set up correctly, leading to this error.
  User Permissions: In some cases, the user may not have the necessary permissions to access or modify certain key fields.
  
  
  Solution:
  
  Select a Key Field: Ensure that you select a key field when prompted. This may involve navigating to the relevant screen and explicitly choosing