How To Fix /SAPAPO/CTM1326 - Validity of component &1 does not correspond with validity of source &2

/SAPAPO/CTM1326 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 326

• Message text: Validity of component &1 does not correspond with validity of source &2

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/CTM1326 - Validity of component &1 does not correspond with validity of source &2 ?

  The SAP error message /SAPAPO/CTM1326 indicates that there is a mismatch in the validity periods of a component and its source in the context of SAP Advanced Planning and Optimization (APO), specifically in the context of the Capable-to-Match (CTM) functionality. This error typically arises when the validity dates of a component (such as a material or resource) do not align with the validity dates of the source (such as a production order or a supply source).
  
  Cause:
  
  Validity Period Mismatch: The component you are trying to use has a validity period that does not overlap with the validity period of the source. For example, if a component is valid only from January 1 to January 10, but the source is valid from January 11, this will trigger the error.
  Master Data Issues: There may be issues with the master data configuration for either the component or the source, such as incorrect validity dates