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

W0125 - Overview

• 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