How To Fix /SMB/TYPES007 - Types may only be assigned once (lines &1 and &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/TYPES -

• Message number: 007

• Message text: Types may only be assigned once (lines &1 and &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/TYPES007 - Types may only be assigned once (lines &1 and &2) ?

  The SAP error message /SMB/TYPES007 Types may only be assigned once (lines &1 and &2) typically occurs in the context of ABAP programming, particularly when dealing with type definitions in the ABAP Dictionary or when defining structures and data types in your code.
  Cause:
  This error indicates that there is an attempt to assign a type or structure to another type more than once. In ABAP, each type can only be assigned to another type a single time. This is to ensure that the type definitions remain unique and unambiguous.
  The error message specifies two lines (&1 and &2) where the conflicting assignments are found. This usually happens in the following scenarios:
  
  You have defined a type or structure and then tried to assign it to another type multiple times.
  There are duplicate type definitions or assignments in your code or in included programs.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Code: Review the lines indicated in the error message. Look for any duplicate assignments of types or structures. Ensure that each type is assigned only once.
  
  
  Remove Duplicates: If you find that a type is being assigned multiple times, remove the duplicate assignment. You may need to refactor your code to ensure that each type is only assigned once.
  
  
  Use Unique Names: If you are defining custom types, ensure that the names are unique and do not conflict with existing types.
  
  
  Check Includes: If your code includes other programs or function modules, check those as well. The error might be caused by a type being defined in an included program that is also being defined in your main program.
  
  
  Recompile: After making the necessary changes, recompile your program to see if the error persists.
  
  
  Related Information:
  
  ABAP Dictionary: Understanding how types and structures are defined in the ABAP Dictionary can help prevent such errors. Familiarize yourself with the data types and structures available in SAP.
  Debugging: Use the ABAP debugger to step through your code and identify where the type assignments are occurring.
  Documentation: Refer to SAP documentation or community forums for additional insights on type definitions and best practices in ABAP programming.
  
  By following these steps, you should be able to resolve the /SMB/TYPES007 error and ensure that your type definitions are correctly implemented in your ABAP code.