How To Fix C7044 - Relationship: Calendar does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: C7 - Scheduling

• Message number: 044

• Message text: Relationship: Calendar does not exist

What causes this issue?

You have maintained a calendar which is not defined in the system.

System Response

Scheduling is carried out using the Gregorian Calendar.

How to fix this error?

Define the calendar you have used in the system, or select a different
calendar.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C7044 - Relationship: Calendar does not exist ?

  The SAP error message C7044, which states "Relationship: Calendar does not exist," typically occurs in the context of project management or production planning when the system is unable to find a specified calendar that is required for scheduling or planning activities. This can happen in various modules, such as SAP Project System (PS) or SAP Production Planning (PP).
  
  Cause:
  
  Missing Calendar: The calendar that is referenced in the configuration or master data does not exist in the system.
  Incorrect Configuration: The calendar may have been incorrectly configured or deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the calendar.
  Data Inconsistency: There may be inconsistencies in the data where the calendar is referenced but not properly defined.
  
  
  Solution:
  
  
  Check Calendar Configuration:
  
  Go to the transaction code SCAL (Maintain Calendar) to check if the calendar exists.
  If it does not exist, you may need to create a new calendar or restore the deleted one if possible.
  
  
  
  Create