How To Fix C7045 - Relationship: No calendar specified

C7045 - Overview

• Message type: E = Error

• Message class: C7 - Scheduling

• Message number: 045

• Message text: Relationship: No calendar specified

What causes this issue?

Neither the work center nor the relationship have a calendar.

How to fix this error?

INCLUDE 'NA_ALLG_MOEGLICH'
Maintain a calendar in the work center.
Maintain a calendar in the operation.
If you do not maintain a calendar, scheduling is carried out using the
Gregorian calendar.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C7045 - Relationship: No calendar specified ?

  The SAP error message C7045, which states "Relationship: No calendar specified," typically occurs in the context of project management or scheduling within SAP, particularly when dealing with network activities or project definitions. This error indicates that a required calendar has not been assigned to a specific relationship or activity.
  
  Cause:
  
  Missing Calendar Assignment: The most common cause of this error is that a calendar has not been assigned to the activity or relationship in question. In SAP, calendars are essential for determining working days, holidays, and other scheduling parameters.
  Incorrect Configuration: There may be an issue with the configuration of the project or network, where the calendar settings are not properly defined.
  Data Inconsistency: If there are inconsistencies in the data, such as missing or incorrect entries in the project definition or network activities, this error can occur.
  
  
  Solution:
  
  
  Assign a Calendar:
  
  Navigate to the relevant project or network activity in SAP.
  Check the settings for the activity