How To Fix UGWB031 - A blank value is invalid for a key

UGWB031 - Overview

• Message type: E = Error

• Message class: UGWB - Messages for Workbench

• Message number: 031

• Message text: A blank value is invalid for a key

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 UGWB031 - A blank value is invalid for a key ?

  The SAP error message UGWB031, which states "A blank value is invalid for a key," typically occurs when a required field or key in a transaction or data entry is left blank. This can happen in various contexts, such as during data entry in a transaction, when creating or updating records, or when processing data in batch jobs.
  
  Cause:
  
  Missing Required Fields: The most common cause is that a mandatory field that serves as a key (like a material number, customer ID, or other identifiers) is not filled in.
  Data Integrity Issues: The system expects certain fields to have values for data integrity and consistency, and a blank value violates this rule.
  
  Configuration Issues: Sometimes, the configuration of the system or the specific transaction may require certain fields to be filled that are not typically mandatory in other contexts.
  
  
  Solution:
  
  Check Required Fields: Review the transaction or data entry screen to ensure that all required fields