How To Fix REPP123 - Internal error: Field type &1 unknown.

REPP123 - Overview

• Message type: E = Error

• Message class: REPP - Reporting CO-OM : User-Specific Reporting Parameters

• Message number: 123

• Message text: Internal error: Field type &1 unknown.

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 REPP123 - Internal error: Field type &1 unknown. ?

  The SAP error message REPP123 "Internal error: Field type &1 unknown" typically indicates that there is an issue with the data field type being processed in a report or program. This error can occur in various contexts, such as during report generation, data extraction, or when executing certain transactions.
  Causes:
  
  Invalid Field Type: The field type specified in the report or program is not recognized by the SAP system. This could be due to a typo, a missing data dictionary entry, or an unsupported field type.
  Custom Development Issues: If the report or program has been customized, there may be errors in the custom code that lead to the system not recognizing certain field types.
  Data Dictionary Changes: Changes in the data dictionary (e.g., changes to table structures or field definitions) that have not been properly propagated to the report or program.
  Version Compatibility: The error may arise if the report is being run in