How To Fix WG304 - System error with &1. Error &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 304

• Message text: System error with &1. Error &2

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 WG304 - System error with &1. Error &2 ?

  The SAP error message:
  WG304 System error with &1. Error &2
  is a generic system error message related to the SAP Workflow (WG = Workflow) component.
  
  Meaning of the Message
  
  WG304 indicates a system error occurred during workflow processing.
  The placeholders &1 and &2 are replaced at runtime with specific information:
  
  &1: The name or identifier of the object or operation where the error occurred.
  &2: The specific error code or message returned by the system.
  
  
  
  
  Common Causes
  
  
  Authorization Issues
  
  The user or workflow agent does not have the required authorizations to perform an action or access an object.
  
  
  Missing or Incorrect Workflow Configuration
  
  The workflow step or container element is incorrectly configured or missing required data.
  
  
  System or Interface Errors
  
  Errors in communication between SAP Workflow and other system components (e.g., RFC errors, database errors).
  
  
  Runtime Errors in Workflow Logic
  
  Errors in the workflow methods, function modules, or business object methods called during workflow execution.
  
  
  Transport or Version Mismatch
  
  Inconsistent versions of workflow objects or missing transports in the system landscape.
  
  
  
  How to Analyze and Solve
  
  
  Check the Detailed Error Text
  
  Look at the full error message in the SAP GUI or ST22 dump to get the exact values of &1 and &2.
  
  
  Check Workflow Logs
  
  Use transaction SWI1 (Workflow Log) or SWI2_FREQ to find the workflow instance and step where the error occurred. Analyze the log for detailed error information.
  
  
  Check System Logs and Dumps
  
  Use SM21 (System Log) and ST22 (ABAP Dumps) to find related system errors or runtime dumps.
  
  
  Check Authorizations
  
  Verify that the user or workflow agent has the necessary authorizations for the involved objects.
  
  
  Check Workflow Configuration  
  
  Verify the workflow definition in SWDD.
  Check container elements and binding.
  Check the business object methods used in the workflow.
  
  
  
  Check RFC Connections
  
  If the workflow calls remote function modules, verify the RFC connections in SM59.
  
  
  Debug the Workflow
  
  If necessary, debug the workflow step or method to identify the exact cause.
  
  
  
  Related Information and Transactions
  
  SWI1 - Workflow log display  
  SWI2_FREQ - Workflow inbox for users  
  SWDD - Workflow Builder (to check workflow definitions)  
  SM21 - System log  
  ST22 - ABAP runtime error analysis  
  SM59 - RFC destination maintenance  
  SU53 - Authorization check failure analysis (run immediately after error)  
  PFTC - Task maintenance (check task definitions used in workflow)
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error message
  WG304 System error with &1. Error &2
  
  
  Cause
  System error during workflow processing; could be authorization, configuration, runtime, or system interface issues
  
  
  Solution
  Analyze workflow logs, system logs, dumps; check authorizations; verify workflow configuration; debug if needed
  
  
  Related transactions
  SWI1, SWI2_FREQ, SWDD, SM21, ST22, SM59, SU53
  
  
  
  
  If you provide the exact values of &1 and &2 from your system, I can help you further narrow down the cause and solution.