How To Fix O0304 - Entry &1 is not valid for field &2

O0304 - Overview

• Message type: E = Error

• Message class: O0 - IS-OIL area independent messages

• Message number: 304

• Message text: Entry &1 is not valid for field &2

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 O0304 - Entry &1 is not valid for field &2 ?

  The SAP error message O0304, which states "Entry &1 is not valid for field &2," typically indicates that the value entered in a specific field does not meet the validation criteria defined for that field in the SAP system. This error can occur in various contexts, such as during data entry in transactions, configuration settings, or when processing documents.
  
  Cause:
  
  Invalid Value: The value entered in the specified field does not exist in the allowed list of values (e.g., a code, key, or identifier).
  Data Type Mismatch: The value may not match the expected data type (e.g., entering a string where a number is expected).
  Field Restrictions: The field may have specific restrictions or conditions that the entered value does not satisfy.
  
  Configuration Issues: There may be issues with the configuration of the field in the underlying data model or table.
  
  
  Solution:
  
  Check the Value: Verify that the value you are entering is correct and exists in