How To Fix C7028 - No work center or calender in operation/activity

SAP Error Message - Details

• Message type: E = Error

• Message class: C7 - Scheduling

• Message number: 028

• Message text: No work center or calender in operation/activity

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 C7028 - No work center or calender in operation/activity ?

  The SAP error message C7028 ("No work center or calendar in operation/activity") typically occurs in the context of production planning or project management when the system cannot find a valid work center or calendar for a specific operation or activity in a routing or task list. This can hinder the ability to schedule or execute production orders or project activities.
  Causes:
  
  Missing Work Center: The operation/activity in the routing does not have an assigned work center.
  Missing Calendar: The work center does not have an associated calendar defined, which is necessary for scheduling.
  Incorrect Configuration: The work center may be incorrectly configured or inactive.
  Routing Issues: The routing itself may be incomplete or incorrectly set up, leading to missing links to work centers.
  Master Data Issues: There may be issues with the master data for the work center or the routing.
  
  Solutions:
  
  
  Check Work Center Assignment:
  
  Go to the routing or task list in question and verify that each