How To Fix CR155 - Capacity category & is not assigned to this work center

SAP Error Message - Details

• Message type: E = Error

• Message class: CR - (1,099) Work Center; (100,200) Capacity

• Message number: 155

• Message text: Capacity category & is not assigned to this work center

What causes this issue?

You have entered a capacity category as a basis for scheduling. However,
this capacity category has not yet been created in the work center.

How to fix this error?

If you do not want to maintain any scheduling data, select the menu
options Edit -> Cancel or the appropriate function key.
If you want to maintain scheduling data, create a capacity with
the desired category. Select the menu options Edit -> Cancel and then
Goto -> Capacities or the respective function keys.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CR155 - Capacity category & is not assigned to this work center ?

  The SAP error message CR155 indicates that a specific capacity category is not assigned to a work center. This can occur in various scenarios, particularly when dealing with production planning and capacity management in SAP.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Missing Assignment: The capacity category that is being referenced in a production order or routing is not assigned to the specified work center in the system.
  Configuration Issues: There may be a configuration issue in the work center settings, where the capacity category is not properly defined or linked.
  Data Entry Errors: There could be a mistake in the data entry, such as referencing the wrong work center or capacity category.
  
  Solution:
  To resolve the CR155 error, you can follow these steps:
  
  
  Check Work Center Configuration:
  
  Go to the transaction code CR02 (Change Work Center) or CR01 (Create Work Center).
  Enter the work center ID that is causing the error.
  Navigate to the "Capacity" tab and check if the required capacity category is assigned. If it is not, you will need to add it.
  
  
  
  Assign Capacity Category:
  
  If the capacity category is missing, you can assign it by selecting the appropriate capacity category from the available options and saving the changes.
  
  
  
  Verify Routing and Production Order:
  
  Check the routing or production order that is causing the error to ensure that it references the correct work center and capacity category.
  You can use transaction codes like CA03 (Display Routing) or CO02 (Change Production Order) to review the details.
  
  
  
  Consult Documentation:
  
  If you are unsure about which capacity category to assign, refer to your organization's documentation or consult with a colleague who is knowledgeable about the production planning setup.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Capacity Categories: These are used in SAP to define the type of capacity (e.g., labor, machine) that a work center can handle. Each work center can have multiple capacity categories assigned to it.
  Work Center: A work center in SAP represents a location where production activities are carried out. It can be a machine, a group of machines, or a labor resource.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CR01, CR02, CA03, and CO02 for managing work centers, routings, and production orders.
  
  By following these steps, you should be able to resolve the CR155 error and ensure that your work center is properly configured for production activities.