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

CY820 - Overview

• 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