How To Fix WGDS_PROCESS151 - Event rank might have been adjusted to remove gaps

SAP Error Message - Details

• Message type: E = Error

• Message class: WGDS_PROCESS - Global data synchronisation

• Message number: 151

• Message text: Event rank might have been adjusted to remove gaps

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 WGDS_PROCESS151 - Event rank might have been adjusted to remove gaps ?

  SAP Error Message:
  
  WGDS_PROCESS151: Event rank might have been adjusted to remove gaps
  
  Cause
  This message typically occurs in the SAP Workflow system when the system detects gaps in the event ranking sequence during workflow processing or event handling. The "event rank" is an internal ordering number used to sequence events or steps in a workflow.
  
  The system expects event ranks to be continuous without gaps.
  If gaps are found (e.g., event ranks like 1, 3, 4, missing 2), SAP automatically adjusts the ranks to remove these gaps.
  This message is an informational or warning message indicating that such an adjustment has taken place.
  
  Why gaps occur:
  
  Manual changes or deletions in workflow steps/events.
  Incomplete or inconsistent workflow template modifications.
  Transport or import issues causing inconsistent event sequences.
  Custom code or enhancements that manipulate event ranks incorrectly.
  
  
  Solution
  
  
  Check Workflow Template and Events:
  
  Review the workflow template in transaction SWDD.
  Verify the sequence of events and steps to ensure they are correctly ordered.
  Look for any missing or deleted steps that might cause gaps.
  
  
  
  Re-generate or Re-import Workflow:
  
  If the workflow was transported or imported, try re-importing or regenerating the workflow to ensure consistency.
  
  
  
  Adjust Event Ranks Manually (if needed):
  
  Use transaction SWI1 or SWI2_FREQ to analyze workflow logs and events.
  If you have access to workflow tables (e.g., SWE_EVENT), check event ranks and adjust if necessary (only recommended for advanced users or SAP support).
  
  
  
  Check Custom Code:
  
  If custom enhancements or user-exits manipulate workflow events or ranks, review and correct the logic.
  
  
  
  SAP Notes and Support:
  
  Search for relevant SAP Notes using the message number or keywords.
  If the message causes workflow failures or unexpected behavior, consider raising an OSS ticket with SAP.
  
  
  
  
  Related Information
  
  
  Transactions:
  
  SWDD - Workflow Builder
  SWI1 - Workflow Log
  SWI2_FREQ - Workflow Runtime Analysis
  SWETYPV - Event Type Maintenance
  
  
  
  Tables:
  
  SWE_EVENT - Workflow Events
  SWE_EVENT_RANK - Event Rank Information (if applicable)
  
  
  
  SAP Notes:
  
  Check SAP Notes related to workflow event handling and rank adjustments.
  Example search terms: "WGDS_PROCESS151", "event rank adjusted", "workflow gaps"
  
  
  
  General Advice:
  
  This message is often informational and does not necessarily indicate an error that stops processing.
  However, frequent occurrence may indicate underlying workflow design or data consistency issues.
  
  
  
  
  If you provide more context (e.g., when exactly the message appears, transaction or process involved), I can help with more specific troubleshooting steps.