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 a New Calendar:
  
  If the calendar is missing, you can create a new one by defining the working days, holidays, and other relevant settings.
  
  
  
  Review Master Data:
  
  Check the master data (e.g., project definitions, work breakdown structures, production orders) to ensure that the correct calendar is assigned.
  Update the master data to reference the correct calendar if necessary.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the calendar. This can be checked with the help of your SAP security team.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to the specific module you are working with for additional guidance on calendar settings.
  
  
  
  System Logs:
  
  Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SCAL - Maintain Calendar
  C223 - Maintain Work Center (to check if the calendar is assigned to a work center)
  CJ20N - Project Builder (for project-related calendars)
  
  
  
  SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to calendar management.
  
  
  
  User Forums: 
  
  Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  
  
  By following these steps, you should be able to identify the cause of the C7044 error and implement a solution to resolve it.