How To Fix STEP601 - Assignment of &1 to &2 impossible.

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 601

• Message text: Assignment of &1 to &2 impossible.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message STEP601 - Assignment of &1 to &2 impossible. ?

  The SAP error message "STEP601 Assignment of &1 to &2 impossible" typically occurs during the execution of a program or transaction in SAP, particularly in the context of data processing or assignment operations. This error indicates that there is an issue with assigning a value or object of one type to another type that is incompatible or not allowed.
  Causes:
  
  
  Data Type Mismatch: The most common cause is that the data types of the variables or fields involved in the assignment are incompatible. For example, trying to assign a character string to a numeric field.
  
  
  Field Length Issues: If the length of the data being assigned exceeds the length of the target field, this error may occur.
  
  
  Null or Uninitialized Variables: Attempting to assign a value from a variable that is null or uninitialized can also lead to this error.
  
  
  Incorrect Logic in ABAP Code: If there is a logical error in the ABAP code where the assignment is being made, it can trigger this error.
  
  
  Configuration Issues: Sometimes, configuration settings in the system can lead to this error, especially if there are custom developments involved.
  
  
  Solutions:
  
  
  Check Data Types: Review the data types of the variables involved in the assignment. Ensure that they are compatible. You can use the ABAP Data Dictionary (SE11) to check the definitions.
  
  
  Adjust Field Lengths: If the issue is related to field lengths, consider adjusting the lengths of the fields or truncating the data being assigned to fit.
  
  
  Initialize Variables: Ensure that all variables are properly initialized before they are used in assignments.
  
  
  Debugging: Use the ABAP debugger to step through the code and identify the exact point where the error occurs. This can help you understand the context and the values being assigned.
  
  
  Review Logic: Check the logic of your ABAP code to ensure that the assignment is being made correctly and that the right variables are being used.
  
  
  Consult Documentation: If the error is related to a specific SAP module or transaction, consult the relevant SAP documentation or notes for any known issues or fixes.
  
  
  Seek Help from SAP Community: If you are unable to resolve the issue, consider reaching out to the SAP community forums or SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to analyze the code where the error occurs.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message.
  ABAP Documentation: Familiarize yourself with ABAP programming guidelines and best practices to avoid such errors in the future.
  
  By following these steps, you should be able to identify and resolve the cause of the "STEP601 Assignment of &1 to &2 impossible" error in SAP.