How To Fix W0125 - Sequence & already exists. No double entries allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: W0 - Customizing - ISR

• Message number: 125

• Message text: Sequence & already exists. No double entries allowed

What causes this issue?

Sequence already exists.

System Response

Entry not possible.

How to fix this error?

Enter a sequence number that does not yet exist or the value 0 for
"empty".

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W0125 - Sequence & already exists. No double entries allowed ?

  Certainly! Here's a detailed explanation for the SAP error message W0125: "Sequence & already exists. No double entries allowed":
  
  Error Message:
  W0125 Sequence & already exists. No double entries allowed
  
  Cause:
  This warning message occurs when you try to create or assign a number range or sequence that already exists in the system. SAP does not allow duplicate number ranges or sequences because they must be unique to ensure consistent and error-free document numbering or master data numbering.
  Typical scenarios include:
  
  Attempting to create a number range interval with a number range ID that is already defined.
  Trying to assign a number range or sequence to an object where the same sequence is already assigned.
  Importing or copying configuration that includes number ranges or sequences that already exist in the target system.
  
  
  Where it occurs:
  
  Number range maintenance (transaction SNRO, SNK1, or FBN1 depending on the object).
  Document type or master data configuration where number ranges are assigned.
  Custom development or configuration involving number ranges or sequences.
  
  
  Solution:
  
  
  Check Existing Number Ranges:
  
  Use transaction SNRO (Number Range Objects) or the relevant number range maintenance transaction.
  Enter the object name and check the existing intervals.
  Verify if the sequence or number range you are trying to create or assign already exists.
  
  
  
  Avoid Duplicate Entries:
  
  If the sequence already exists, do not create a new one with the same number range ID.
  Instead, use the existing number range or modify it if necessary.
  
  
  
  Adjust Your Configuration:
  
  If you are importing configuration or copying number ranges, ensure that the target system does not already have the same number range.
  If it does, either skip the import for that number range or adjust the number range IDs to avoid duplication.
  
  
  
  Delete or Change Existing Number Range (if appropriate):
  
  If the existing number range is obsolete or incorrect, you may delete or adjust it before creating a new one.
  Be cautious with deletion as it may affect existing documents or master data.
  
  
  
  Check Custom Code:
  
  If the error occurs in custom programs, check the logic that creates or assigns number ranges.
  Ensure that the program checks for existing sequences before creating new ones.
  
  
  
  
  Additional Information:
  
  Number ranges are critical in SAP to uniquely identify documents, master data, and other objects.
  Duplicate number ranges can cause inconsistencies and errors in document processing.
  Always maintain number ranges carefully and coordinate changes with your SAP Basis and functional teams.
  For some objects, number ranges are client-specific; for others, they are cross-client.
  The message is a warning (W), so it may allow you to continue, but it is recommended to resolve the duplication to avoid future issues.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Attempt to create or assign a number range or sequence that already exists in SAP.
  
  
  Effect
  SAP prevents duplicate number ranges to maintain unique numbering and data integrity.
  
  
  Solution
  Check existing number ranges, avoid duplicates, adjust or delete existing ranges if needed.
  
  
  Transactions
  SNRO, SNK1, FBN1 (depending on object), or custom program checks.
  
  
  
  
  If you provide the specific object or transaction where you encountered this message, I can give more tailored advice.