How To Fix BL203 - Message incomplete (severity, area, number, or exception missing)
BL203 - Overview
Message type: E = Error
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Message class:
BL - Application Log -
Message number: 203
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Message text: Message incomplete (severity, area, number, or exception missing)
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What causes this issue?
An incomplete message was sent to the application log.
A message comprises at least:
<DS:DE.BALMSGTY>Error severity</> (MSGTY field)
<DS:DE.SYMSGID>Work area</> (MSGID field)
<DS:DE.SYMSGNO>Error number</> (MSGNO field)
At least one of these values is missing.
At least the exception class (I_S_EXC exception) must be transferred for
exceptions.System Response
How to fix this error?
Procedure for System Administrators
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
BL203 - Details
Error Code: BL203
Error Message: Message incomplete (severity, area, number, or exception missing)
Summary
This error indicates that a system message being generated is incomplete because one or more required components—such as severity level, message area, message number, or exception class—are missing or not properly defined.
Root Causes
- Custom or standard ABAP code calls MESSAGE statement without specifying all mandatory parameters (e.g., missing message class or number).
- Incorrect or incomplete message definition in the message class (transaction SE91) leading to missing message text or attributes.
- User-exits, BADIs, or enhancements generating messages without fully populating required fields.
- System inconsistencies or transport issues causing message classes or texts to be partially available or corrupted.
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BL203 - Related SAP Errors
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