How To Fix /PM0/3FWTG_GENERATOR016 - Type assignments are only allowed in attribute lists

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FWTG_GENERATOR -

• Message number: 016

• Message text: Type assignments are only allowed in attribute lists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FWTG_GENERATOR016 - Type assignments are only allowed in attribute lists ?

  The SAP error message /PM0/3FWTG_GENERATOR016 indicates that there is an issue with type assignments in your code, specifically that type assignments are only allowed in attribute lists. This error typically arises in the context of ABAP programming, particularly when dealing with classes or structures.
  Cause:
  The error is usually caused by one of the following issues:
  
  Incorrect Syntax: You may be trying to assign a type to a variable or field outside of an attribute list or declaration section.
  Misplaced Type Declarations: Type assignments should be done in the appropriate context, such as within a class definition or structure definition.
  Improper Use of Data Types: You might be trying to use a data type in a context where it is not allowed, such as in method parameters or return types without proper declaration.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Syntax: Review the code where the error occurs and ensure that type assignments are made correctly. For example, ensure that you are declaring types in the class or structure definition.
  Example of correct usage:
  CLASS my_class DEFINITION.
    PUBLIC SECTION.
      DATA: my_variable TYPE string.
  ENDCLASS.
  
  
  Review Attribute Lists: Ensure that any type assignments are made within the appropriate attribute lists. If you are trying to assign a type to a variable, it should be done in the declaration section of a class or method.
  
  
  Use Proper Context: If you are defining a method, ensure that the parameters and return types are declared correctly. For example:
  METHOD my_method IMPORTING iv_param TYPE string.
  
  
  Consult Documentation: If you are unsure about the correct syntax or context for type assignments, refer to the SAP ABAP documentation or programming guidelines.
  
  
  Related Information:
  
  ABAP Programming Guidelines: Familiarize yourself with the best practices for ABAP programming, especially regarding class and method definitions.
  SAP Community: Engage with the SAP community forums or resources for additional insights and examples related to this error.
  Debugging Tools: Use the ABAP debugger to step through your code and identify where the type assignment is incorrectly placed.
  
  By following these steps, you should be able to identify and correct the cause of the error message /PM0/3FWTG_GENERATOR016.