How To Fix C$734 - No value assignment types allowed for symbol type &

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 734

• Message text: No value assignment types allowed for symbol type &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$734 - No value assignment types allowed for symbol type & ?

  The SAP error message C$734, which states "No value assignment types allowed for symbol type &," typically occurs in the context of ABAP programming, particularly when dealing with symbolic types in the context of data declarations or assignments.
  Cause:
  This error usually arises when you are trying to assign a value to a symbol type that does not support value assignments. Symbol types in ABAP are often used for dynamic programming or when dealing with generic data types. The error indicates that the operation you are attempting is not valid for the specified symbol type.
  Common Scenarios:
  
  Incorrect Data Type Assignment: You might be trying to assign a value to a variable that is declared as a symbol type but does not allow direct value assignments.
  Dynamic Field Access: If you are using dynamic field access (e.g., using FIELD-SYMBOLS or DATA with a generic type), ensure that the type you are trying to assign is compatible.
  Improper Use of Field Symbols: If you are using field symbols, ensure that they are properly defined and that you are not trying to assign a value to a field symbol that is not pointing to a valid data object.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Data Declarations: Review the data declarations in your code. Ensure that the variable you are trying to assign a value to is of a compatible type that allows value assignments.
  
  
  Use Correct Types: If you are using field symbols, ensure that they are correctly typed. You may need to use ASSIGN to point the field symbol to a valid data object before performing any assignments.
  FIELD-SYMBOLS <fs_variable> TYPE any.
  ASSIGN some_variable TO <fs_variable>.
  IF sy-subrc = 0.
      <fs_variable> = 'New Value'.  " This is valid if <fs_variable> points to a compatible type
  ENDIF.
  
  
  Debugging: Use debugging tools to inspect the types of the variables involved in the assignment. This can help you identify mismatches or incorrect assumptions about the data types.
  
  
  Consult Documentation: If you are unsure about the types and their compatibility, refer to the SAP documentation or ABAP programming guidelines for more information on data types and their usage.
  
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the different data types in ABAP, especially symbolic types and how they interact with other data types.
  Field Symbols: Understand how field symbols work in ABAP, including their declaration, assignment, and usage.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message, as there may be specific patches or recommendations from SAP.
  
  By following these steps and understanding the context of the error, you should be able to resolve the C$734 error in your ABAP code.