How To Fix CY820 - Assignment of requirements grouping & to a line is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 820

• Message text: Assignment of requirements grouping & to a line is not possible

What causes this issue?

The assignment of the requirements grouping &V1& to a line cannot be
done because the sort has not been defined.

System Response

The system terminates planning table access.

How to fix this error?

In the layout for the capacity planning table assign to the charts a
sort that is valid for calling them up.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY820 - Assignment of requirements grouping & to a line is not possible ?

  The SAP error message CY820, which states "Assignment of requirements grouping & to a line is not possible," typically occurs in the context of production planning and control, particularly when dealing with capacity planning and requirements management in SAP.
  Cause:
  The error usually arises due to one or more of the following reasons:
  
  
  Mismatch in Requirements Grouping: The requirements grouping assigned to a line item does not match the expected configuration or is not valid for the specific line item.
  
  
  Incorrect Configuration: The configuration settings for the requirements grouping may not be set up correctly in the system.
  
  
  Missing Master Data: There may be missing or incorrect master data related to the material, production order, or routing that is causing the mismatch.
  
  
  Capacity Planning Issues: If the requirements grouping is not properly defined in the capacity planning settings, it can lead to this error.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the assignment, leading to this error.
  
  
  Solution:
  To resolve the CY820 error, you can take the following steps:
  
  
  Check Requirements Grouping: Verify that the requirements grouping assigned to the line item is valid and correctly configured. You can do this by navigating to the relevant configuration settings in SAP.
  
  
  Review Master Data: Ensure that all necessary master data (material master, routing, work center, etc.) is correctly maintained and that there are no inconsistencies.
  
  
  Adjust Configuration Settings: If the requirements grouping is not set up correctly, you may need to adjust the configuration in the system. This may involve working with your SAP configuration team.
  
  
  Check Capacity Planning Settings: Review the capacity planning settings to ensure that the requirements grouping is properly defined and linked to the relevant production processes.
  
  
  User Authorizations: Ensure that the user has the necessary authorizations to perform the assignment. If not, contact your SAP security team to grant the required permissions.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or solutions related to this error.
  
  
  Testing: After making the necessary changes, perform tests to ensure that the error no longer occurs and that the requirements grouping can be assigned successfully.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like C223 (for requirements grouping) or C201 (for production orders) to check and modify settings.
  SAP Documentation: Refer to SAP Help documentation for detailed information on requirements grouping and capacity planning.
  SAP Community: Engage with the SAP Community forums for additional insights and experiences from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to involve your SAP support team or consult with an SAP expert for further investigation.