How To Fix VO011 - Number assignment not possible/causing problems

VO011 - Overview

• Message type: E = Error

• Message class: VO - W&S: Rough workload forecast + picking wave

• Message number: 011

• Message text: Number assignment not possible/causing problems

What causes this issue?

The number range object &V1&, the number range interval &V2& and the
error cause &V3& are involved here.
In detail, the following causes are possible:

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

1 = The assigned number lies in the critical area
2 = The last number was assigned
3 = More numbers were requested than were available,
the last number was assigned

System Response

In cases 1 and 2, the picking wave was created. In case 3, it was not
not created.

How to fix this error?

You need to adjust the corresponding settings in Customizing. Please
inform the person responsible for Customizing.

Error message extract from SAP system. Copyright SAP SE.

VO011 - Details

• Certainly! Here's a detailed explanation of the SAP error message VO011 - Number assignment not possible/causing problems:
  
  SAP Error Message: VO011
  Text: Number assignment not possible/causing problems
  
  Cause
  This error typically occurs during the creation or change of a sales document (e.g., sales order, delivery, billing document) when the system tries to assign a document number but fails. The reasons can include:
  
  
  Number Range Issues:
  
  The number range interval for the document type is not defined or is exhausted.
  The number range object is not properly assigned to the sales document type.
  The number range interval is set to external assignment, but no number is provided.
  The number range interval is set to internal assignment but the system cannot find a free number.
  
  
  
  Customizing or Configuration Problems:
  
  Incorrect or missing configuration in transaction VOV8 (Sales Document Types) or SNRO (Number Range Objects).
  Number range object not assigned to the sales document type in customizing.
  
  
  
  Authorization Issues:
  
  User does not have authorization to use the