How To Fix FPAPICHK034 - Table types as row types of tables are not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: FPAPICHK - SAFPAPI Message Class (Check)

• Message number: 034

• Message text: Table types as row types of tables are not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FPAPICHK034 - Table types as row types of tables are not supported ?

  The SAP error message FPAPICHK034 indicates that there is an issue with the use of table types as row types in your ABAP code. This error typically arises when you are trying to use a table type (which is a structured type that defines a table) in a context where a row type (which defines a single row of a table) is expected.
  Cause:
  The error occurs because:
  
  You are attempting to use a table type in a context that requires a row type. For example, you might be trying to declare a variable or a parameter of a function module that expects a single row (structure) but you are providing a table type instead.
  This can happen in various scenarios, such as when passing parameters to function modules, methods, or when defining data structures.
  
  Solution:
  To resolve this error, you need to ensure that you are using the correct type in the appropriate context. Here are some steps to fix the issue:
  
  
  Check the Data Declaration: Review the data declarations in your ABAP code. Ensure that you are using a row type (structure) where a single row is expected and a table type where a table is expected.
  For example:
  TYPES: BEGIN OF ty_row,
           field1 TYPE string,
           field2 TYPE i,
         END OF ty_row.
  
  TYPES: ty_table TYPE TABLE OF ty_row.
  
  
  Use the Correct Type: If you need to pass a single row to a function module or method, make sure to declare a variable of the row type instead of the table type.
  Example:
  DATA: ls_row TYPE ty_row,  " Correctly using row type
        lt_table TYPE ty_table.
  
  
  Check Function Module/Method Signatures: If you are calling a function module or method, check the parameter types in the signature. Ensure that you are passing the correct type (row type vs. table type) as required by the function/module.
  
  
  Debugging: If you are unsure where the error is occurring, use the debugger to step through your code and identify the exact line that triggers the error.
  
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the different data types in ABAP, especially the distinction between row types (structures) and table types (internal tables).
  SAP Documentation: Refer to the official SAP documentation for more details on data types and their usage in ABAP programming.
  Community Forums: If you continue to face issues, consider reaching out to SAP community forums or support for additional assistance.
  
  By ensuring that you are using the correct data types in your ABAP code, you should be able to resolve the FPAPICHK034 error effectively.