How To Fix SWF_EXP_001206 - Byte code contains invalid access command '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 206

• Message text: Byte code contains invalid access command '&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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_EXP_001206 - Byte code contains invalid access command '&1' ?

  The SAP error message SWF_EXP_001206 indicates that there is an issue with the bytecode in a workflow. Specifically, the error message states that the bytecode contains an invalid access command, which is represented by the placeholder &1. This typically occurs when there is a problem with the workflow definition or the underlying logic that has been implemented.
  Cause
  The error can be caused by several factors, including:
  
  Corrupted Workflow Definition: The workflow definition may have been corrupted or improperly modified.
  Invalid Access Command: The bytecode may contain commands that are not recognized or are incorrectly formatted.
  Version Mismatch: There may be a mismatch between the workflow version and the system version, leading to compatibility issues.
  Transport Issues: If the workflow was transported from one system to another, it may not have been transported correctly, leading to inconsistencies.
  
  Solution
  To resolve the error, you can take the following steps:
  
  
  Check Workflow Definition:
  
  Open the workflow in the SAP Business Workflow Builder