How To Fix >W015 - Specification of calendar ID missing in collection step &1

>W015 - Overview

• Message type: E = Error

• Message class: >W -

• Message number: 015

• Message text: Specification of calendar ID missing in collection step &1

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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>W015 - Details

• The SAP error message W015: Specification of calendar ID missing in collection step &1 typically occurs in the context of data collection or planning processes within SAP, particularly in modules related to production planning, project management, or similar areas where scheduling and calendars are relevant.
  
  Cause:
  The error indicates that a calendar ID, which is necessary for the specific collection step (denoted by &1), has not been specified. This can happen due to several reasons:
  
  
  Configuration Issues: The calendar ID may not have been set up correctly in the system.
  Missing Data: The relevant data for the calendar ID might be missing in the master data or configuration settings.
  Incorrect Customization: If there have been recent changes or customizations in the system, it might have led to the removal or misconfiguration of the calendar ID.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Navigate to the configuration settings for the relevant module (e.g., Production