How To Fix AXT_GEN204 - Use only complex types that are defined in DDIC

AXT_GEN204 - Overview

• Message type: E = Error

• Message class: AXT_GEN - Generation framework

• Message number: 204

• Message text: Use only complex types that are defined in DDIC

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_GEN204 - Use only complex types that are defined in DDIC ?

  The SAP error message AXT_GEN204, which states "Use only complex types that are defined in DDIC," typically occurs when you are working with ABAP (Advanced Business Application Programming) and trying to use complex data types that are not defined in the Data Dictionary (DDIC). This error is often encountered in scenarios involving the definition of structures, tables, or other complex types in ABAP programs or when working with Web Services, OData services, or other integration scenarios.
  
  Cause:
  
  Undefined Complex Types: The error arises when you attempt to use a complex type (like a structure or table type) that has not been defined in the Data Dictionary (DDIC).
  Incorrect Data Type Usage: You may be using a data type that is not recognized by the system or is not compatible with the expected types in the context you are working in.
  Inconsistent Definitions: If you have defined a complex type in your ABAP program but