How To Fix KM776 - Error occurred deriving representative material

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 776

• Message text: Error occurred deriving representative material

What causes this issue?

Derivation of representative material &V1&.
The system was unable to find a derivation rule entry when carrying out
the derivation rule for the specified source values.
The derivation rule was set up in such a way that an error message does
not appear.
No derivation rule entry exists for the following source field values:
&V3&
&V4&

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a derivation rule entry under <DS:TRAN.8KEO>Maintain Derivation
Rules/Entries</> for the specified source field values. See
<DS:SIMG.SIMG_CFMENUORK18KEO>Derive Representative Materials</>. Make
sure that derivation rule entries are made for all valid source field
values.
If you do not want derivation to be carried out in all cases, you can
define the derivation rule in such a way that no error message appears
if a derivatin rule does not exist.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KM776 - Error occurred deriving representative material ?

  The SAP error message KM776, which states "Error occurred deriving representative material," typically occurs in the context of SAP's Product Lifecycle Management (PLM) or Material Management (MM) modules. This error is related to the system's inability to determine a representative material for a given material group or classification.
  Causes:
  
  Missing Data: The representative material may not be defined in the system, or the necessary data for deriving it is missing.
  Configuration Issues: There may be issues with the configuration of the material master or classification settings.
  Incorrect Material Group: The material group assigned to the material may not have a valid representative material.
  Authorization Issues: The user may not have the necessary authorizations to access the data required to derive the representative material.
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or inconsistencies in the database.
  
  Solutions:
  
  Check Material Master Data: Ensure that the material master data is complete and that a representative material is defined for the relevant material group.
  Review Configuration: Verify the configuration settings for material classification and ensure that the representative materials are correctly assigned.
  Update Material Group: If the material group is incorrect, update it to a valid group that has a representative material defined.
  Authorization Check: Ensure that the user has the necessary authorizations to access the required data.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches.
  Debugging: If you have access to technical resources, consider debugging the process to identify the exact point of failure.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like MM03 (Display Material), CL03 (Display Class), or CL02 (Change Class) to check material and classification details.
  SAP Help Documentation: Refer to the official SAP documentation for more detailed information on material classification and representative materials.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP support team or consult with an SAP expert for further assistance.