How To Fix /PM0/AB_AT128 - Check variant &1: Enter a data source

/PM0/AB_AT128 - Overview

• Message type: E = Error

• Message class: /PM0/AB_AT -

• Message number: 128

• Message text: Check variant &1: Enter a data source

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/AB_AT128 - Check variant &1: Enter a data source ?

  The SAP error message /PM0/AB_AT128 Check variant &1: Enter a data source typically occurs in the context of the SAP Plant Maintenance (PM) module when a user is trying to execute a report or transaction that requires a data source to be specified, but none has been provided.
  
  Cause:
  
  Missing Data Source: The error indicates that a required data source has not been specified in the check variant. This could be due to the variant being incorrectly configured or not set up at all.
  Incorrect Configuration: The check variant may not have been properly defined to include a data source, leading to this error when attempting to use it.
  User Permissions: In some cases, the user may not have the necessary permissions to access or define the data source.
  
  
  Solution:
  
  
  Define a Data Source:
  
  Go to the transaction where the error occurs and check the configuration of the check variant.
  Ensure that a valid data source is specified.