How To Fix CATSXT144 - Additions not possible - key (COUNTER) has already been set

CATSXT144 - Overview

• Message type: E = Error

• Message class: CATSXT - Time Sheet

• Message number: 144

• Message text: Additions not possible - key (COUNTER) has already been set

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CATSXT144 - Additions not possible - key (COUNTER) has already been set ?

  The SAP error message CATSXT144, which states "Additions not possible - key (COUNTER) has already been set," typically occurs in the context of the Cross-Application Time Sheet (CATS) when you are trying to add a new entry or modify an existing one, but the system has detected that a key (in this case, a counter) has already been assigned to the record you are trying to modify.
  
  Cause:
  
  Duplicate Entry: The error usually arises when there is an attempt to add a new time entry for a specific period or project that already has an entry with the same key (counter).
  Incorrect Data Entry: It may also occur if there is an attempt to modify an existing entry without following the correct procedures, leading to conflicts in the data.
  System Configuration: Sometimes, the configuration settings in the CATS module may not allow for certain types of modifications or additions based on the current status