How To Fix OL820 - Key field '&' is not defined for object type '&'

OL820 - Overview

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 820

• Message text: Key field '&' is not defined for object type '&'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OL820 - Key field '&' is not defined for object type '&' ?

  The SAP error message OL820 indicates that a key field is not defined for a specific object type. This typically occurs in the context of object management, where the system expects a certain key field to be present for a given object type, but it is either missing or not properly configured.
  
  Cause:
  
  Missing Key Field Definition: The key field that the system is looking for has not been defined in the relevant configuration settings.
  Incorrect Object Type: The object type being referenced may not be correctly set up or may not exist in the system.
  Custom Development Issues: If there are custom developments or enhancements, they may not be correctly handling the key fields for the specified object type.
  Transport Issues: If the object type was recently transported from another system, the key field definitions may not have been included or may not match the target system's configuration.
  
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the relevant configuration