How To Fix CNV_PE_GEN123 - Structured parameter &1 has no fields

CNV_PE_GEN123 - Overview

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 123

• Message text: Structured parameter &1 has no fields

Self-Explanatory Message

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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.

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CNV_PE_GEN123 - Details

• The SAP error message CNV_PE_GEN123 indicates that a structured parameter (likely a data structure or a table) is expected to have fields, but it appears to be empty or not defined correctly. This error typically arises in the context of data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of programs that involve structured data.
  
  Cause:
  
  Empty Structure: The structure defined in the program or function module does not contain any fields. This could be due to a misconfiguration or an oversight in the data model.
  Incorrect Mapping: During data migration, the mapping of fields from the source to the target structure may not have been set up correctly, leading to an empty structure.
  Program Logic Error: There may be a logical error in the program that populates the structure, resulting in it not being filled with the expected data.
  Data Source Issues: The source data might be missing