How To Fix /IWPGW/TGW_SERVICE003 - There is already a substitute with the defined parameters for this user

/IWPGW/TGW_SERVICE003 - Overview

• Message type: E = Error

• Message class: /IWPGW/TGW_SERVICE -

• Message number: 003

• Message text: There is already a substitute with the defined parameters for this user

Self-Explanatory Message

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/IWPGW/TGW_SERVICE003 - Details

• The SAP error message /IWPGW/TGW_SERVICE003 indicates that there is already a substitute defined for the user with the specified parameters in the system. This typically occurs in the context of workflow or task management, where a user may be trying to set up a new substitute for their tasks or approvals, but the system detects that a substitute already exists with the same parameters.
  
  Cause:
  
  Existing Substitute: The primary cause of this error is that the user is attempting to create a new substitute for a task or workflow, but there is already an active substitute defined for the same user and parameters (e.g., the same time period, task type, etc.).
  Parameter Mismatch: The parameters being used to define the new substitute may match those of an existing substitute, leading to a conflict.
  
  
  Solution:
  
  
  Check Existing Substitutes: 
  
  Navigate to the relevant transaction in SAP (e.g., SWI1 for workflow or SBWP for Business Workplace) to view