How To Fix SWF_EXP_001205 - Byte code contains invalid argument '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 205

• Message text: Byte code contains invalid argument '&1'

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_EXP_001205 - Byte code contains invalid argument '&1' ?

  The SAP error message SWF_EXP_001205, which states "Byte code contains invalid argument '&1'", typically occurs in the context of workflow or process management within SAP systems. This error indicates that there is an issue with the bytecode generated for a workflow, often due to an invalid or unexpected argument being passed.
  Causes:
  
  Invalid Workflow Definition: The workflow definition may contain errors, such as incorrect parameters or missing values.
  Corrupted Workflow: The workflow instance or its bytecode may be corrupted, leading to invalid arguments being referenced.
  Incompatible Changes: Changes made to the workflow or its components (like tasks or events) that are not compatible with the existing instances can lead to this error.
  Transport Issues: If the workflow was transported from one system to another, there may be inconsistencies or missing components in the target system.
  
  Solutions:
  
  Check Workflow Definition: Review the workflow definition for any inconsistencies or errors. Ensure that all parameters and arguments are correctly defined.
  Rebuild