How To Fix EG686 - You have selected the determine MRU field

EG686 - Overview

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 686

• Message text: You have selected the determine MRU field

What causes this issue?

You have selected the <LS>Determine MRU</> (<DS:DE.KZ_ABLEIN>Determine
meter reading unit for periodic replacement list</>) field.

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?

Error message extract from SAP system. Copyright SAP SE.

EG686 - Details

• The SAP error message EG686, which states "You have selected the determine MRU field," typically occurs in the context of Material Requirements Planning (MRP) or when dealing with material master data. This error indicates that there is an issue with the configuration or selection of the MRU (Material Requirements Unit) field in the system.
  
  Cause:
  
  Incorrect Configuration: The MRU field may not be properly configured in the material master or in the MRP settings.
  Missing Data: The required data for the MRU field may be missing or incomplete in the material master record.
  User Input Error: The user may have selected an option or field that is not valid or applicable in the current context.
  Authorization Issues: The user may not have the necessary permissions to access or modify the MRU field.
  
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify that all required fields, including the MRU field, are filled