How To Fix /SCTM/TMMD_UI404 - Calendar &1 is already assigned to a different supply chain unit

/SCTM/TMMD_UI404 - Overview

• Message type: E = Error

• Message class: /SCTM/TMMD_UI -

• Message number: 404

• Message text: Calendar &1 is already assigned to a different supply chain unit

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 /SCTM/TMMD_UI404 - Calendar &1 is already assigned to a different supply chain unit ?

  The SAP error message /SCTM/TMMD_UI404 Calendar &1 is already assigned to a different supply chain unit typically occurs in the context of SAP Supply Chain Management (SCM) when you are trying to assign a calendar to a supply chain unit that is already linked to another supply chain unit. This can happen during configuration or when trying to set up planning or scheduling parameters.
  
  Cause:
  
  Calendar Assignment Conflict: The calendar you are trying to assign (denoted by &1 in the error message) is already associated with another supply chain unit. In SAP SCM, each supply chain unit can only have one calendar assigned to it at a time.
  Configuration Error: There may be a misconfiguration in the supply chain unit settings or in the calendar settings.
  Data Integrity Issues: There could be issues with the data integrity in the system, such as duplicate entries or incorrect references.
  
  
  Solution:
  
  
  Check Current Assignments:
  
  Go to the relevant transaction or