How To Fix WSUBST101 - Substitution function is not active for goods receipt

SAP Error Message - Details

• Message type: E = Error

• Message class: WSUBST - Substitution Article Handling

• Message number: 101

• Message text: Substitution function is not active for goods receipt

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSUBST101 - Substitution function is not active for goods receipt ?

  SAP Error Message:
  
  WSUBST101 Substitution function is not active for goods receipt
  
  Cause:
  This error occurs when a substitution rule or function is attempted to be triggered during a Goods Receipt (GR) process, but the substitution rule is not activated or defined for the movement type or transaction in question.
  In SAP, Substitution is a functionality that allows automatic replacement of field values during document processing (e.g., during GR posting). The system checks if substitution rules are active for the specific transaction or movement type. If the substitution function is not active for the goods receipt transaction, but the system tries to execute it, this error is raised.
  
  Explanation:
  
  Substitution rules are maintained in transaction GGB0 (Substitution: Initial Screen).
  Substitutions are assigned to specific application areas and transaction/event combinations.
  For Goods Receipt, the substitution must be active for the relevant movement type or transaction code (e.g., MIGO, MB01).
  If the substitution is defined but not activated for the goods receipt event, the system cannot execute it, leading to this error.
  
  
  Solution:
  
  
  Check Substitution Configuration:
  
  Go to transaction GGB0.
  Select the relevant application area (e.g., MM for Materials Management).
  Check the substitution rules defined for the goods receipt process.
  Verify if the substitution is active for the relevant transaction/event (e.g., Movement Type or Transaction Code).
  
  
  
  Activate the Substitution:
  
  If the substitution exists but is inactive, activate it by selecting the substitution and setting it to active.
  Save the changes.
  
  
  
  If No Substitution is Needed:
  
  If the substitution is not required for the goods receipt, check if any user-exit, BAdI, or custom code is trying to call substitution functions unnecessarily.
  Remove or adjust the custom code to prevent calling inactive substitution functions.
  
  
  
  Check Movement Type Settings:
  
  Sometimes, substitution is linked to specific movement types.
  Verify the movement type configuration in OMJJ or related customizing to ensure substitution is allowed.
  
  
  
  Testing:
  
  After activation or correction, test the goods receipt posting again to confirm the error is resolved.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  GGB0 - Maintain Substitutions
  MIGO - Goods Movement
  OMJJ - Movement Types Customizing
  
  
  
  SAP Notes:
  
  Check SAP Notes related to substitution and goods receipt errors for any known issues or patches.
  
  
  
  User Exits / BAdIs:
  
  Custom enhancements might trigger substitution calls. Review any custom code in exits like MB_DOCUMENT_BADI or similar.
  
  
  
  Substitution vs. Validation:
  
  Substitution automatically changes field values.
  Validation only checks and throws errors if conditions are not met.
  
  
  
  
  Summary:
  The error WSUBST101 indicates that a substitution function is being called during goods receipt processing, but it is not active for that process. Activating the substitution in transaction GGB0 for the relevant application and transaction or correcting custom code will resolve the issue.