How To Fix /SAPAPO/INBND026 - Calendar not maintained

/SAPAPO/INBND026 - Overview

• Message type: E = Error

• Message class: /SAPAPO/INBND -

• Message number: 026

• Message text: Calendar not maintained

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 /SAPAPO/INBND026 - Calendar not maintained ?

  The SAP error message /SAPAPO/INBND026 Calendar not maintained typically occurs in the context of Advanced Planning and Optimization (APO) when the system is unable to find a valid calendar for a specific planning area or location. This can happen during various processes, such as demand planning, supply network planning, or when executing certain transactions.
  
  Cause:
  
  Missing Calendar: The primary cause of this error is that the calendar for the relevant planning area or location has not been defined or maintained in the system.
  Incorrect Configuration: The configuration settings for the planning area may not be correctly set up to reference an existing calendar.
  Data Inconsistency: There may be inconsistencies in the master data that prevent the system from recognizing the calendar.
  
  
  Solution:
  To resolve the /SAPAPO/INBND026 Calendar not maintained error, you can follow these steps:
  
  
  Check Calendar Configuration:
  
  Go to the transaction code /SAPAPO/CALENDAR to check if the calendar is defined for the relevant planning area or location.
  If