How To Fix WSUBST100 - *** Messages from the Substitution at Goods Receipt Area ***

SAP Error Message - Details

• Message type: E = Error

• Message class: WSUBST - Substitution Article Handling

• Message number: 100

• Message text: *** Messages from the Substitution at Goods Receipt Area ***

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSUBST100 - *** Messages from the Substitution at Goods Receipt Area *** ?

  Certainly! Here's a detailed explanation regarding the SAP error message WSUBST100 - Messages from the Substitution at Goods Receipt Area:
  
  SAP Error Message: WSUBST100
  Text: Messages from the Substitution at Goods Receipt Area
  
  1. Cause
  The message WSUBST100 is related to the Substitution functionality in SAP, specifically during the Goods Receipt (GR) process. This message indicates that one or more substitution rules defined for the Goods Receipt area have been triggered and generated messages (errors, warnings, or information).
  Substitution in SAP is a mechanism that allows automatic replacement or filling of field values during document processing based on predefined rules.
  
  The substitution rules are maintained in transaction GGB0 (Substitution for Goods Movements).
  During the GR posting, the system checks these substitution rules.
  If a substitution rule is triggered and it generates messages (especially errors or warnings), the system issues the WSUBST100 message to inform the user.
  
  Typical causes include:
  
  Substitution rules are defined but the data in the GR document does not meet the expected criteria.
  Mandatory fields are not filled or incorrectly substituted.
  The substitution logic contains errors or conflicts.
  Custom substitution rules (user-exits or BADIs) are incorrectly implemented or cause errors.
  
  
  2. Solution
  To resolve the WSUBST100 message, follow these steps:
  Step 1: Identify the Substitution Messages
  
  The WSUBST100 message is a container for messages generated by substitution.
  Check the detailed messages that appear along with WSUBST100 to understand which substitution rule or field is causing the issue.
  
  Step 2: Review Substitution Rules
  
  Go to transaction GGB0 (Substitution for Goods Movements).
  Select the relevant substitution area (e.g., 01 for Goods Receipt).
  Review the substitution rules active for the movement type and plant.
  Check the conditions and fields involved in the substitution.
  
  Step 3: Analyze the Document Data
  
  Check the data in the GR document that triggered the substitution.
  Verify if the fields that are supposed to be substituted have valid values.
  Ensure that mandatory fields are filled correctly.
  
  Step 4: Correct or Adjust Substitution Rules
  
  If the substitution rule is incorrect or too restrictive, modify it accordingly.
  If the substitution rule is custom-developed (via user-exits or BADIs), debug the code to find the root cause.
  Ensure that the substitution logic does not cause errors or inconsistent data.
  
  Step 5: Test the Changes
  
  After adjustments, test the Goods Receipt posting again.
  Confirm that the WSUBST100 message no longer appears or that the substitution messages are informational only.
  
  
  3. Related Information
  
  Transaction Codes:
  
  GGB0 - Maintain Substitution for Goods Movements
  MB1A / MIGO - Goods Movement Transactions where substitution can be triggered
  
  
  SAP Notes:
  
  Check SAP Notes related to substitution errors in Goods Movements for your SAP version.
  
  
  User-Exits / BADIs:
  
  Custom substitution logic can be implemented in user-exits like EXIT_SAPMGUG0_001 or BADIs related to substitution.
  
  
  Documentation:
  
  SAP Help Portal documentation on substitution and validation in Materials Management.
  
  
  Debugging:
  
  Use debugging to trace substitution logic if custom code is involved.
  
  
  
  
  Summary
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Substitution rules triggered during Goods Receipt posting, generating messages/errors.
  
  
  Solution
  Review and correct substitution rules in GGB0; check document data; debug custom logic.
  
  
  Related Info
  Transactions: GGB0, MIGO; User-exits/BADIs for substitution; SAP Notes and documentation.
  
  
  
  
  If you provide the exact substitution messages or the context of the GR posting, I can help you analyze the specific substitution rule causing the issue.