How To Fix /SAPAPO/CTM1264 - You can only enter category &1 once

/SAPAPO/CTM1264 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 264

• Message text: You can only enter category &1 once

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 /SAPAPO/CTM1264 - You can only enter category &1 once ?

  The SAP error message /SAPAPO/CTM1264 indicates that you are trying to enter a category (such as a product category or planning category) more than once in a context where it is only allowed to be entered once. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when working with the Capable-to-Match (CTM) functionality.
  
  Cause:
  The error is triggered when:
  
  You attempt to assign the same category to multiple entries in a planning run or configuration where unique categories are required.
  There may be a configuration or data entry issue where the same category is inadvertently being selected multiple times.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Entries: Check the entries you are trying to make in the planning run or configuration. Ensure that each category is unique and not duplicated.
  
  
  Adjust Configuration: If you are working with a configuration that allows for category assignments, ensure that the