How To Fix MW199 - Enter interval for internal or external number assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 199

• Message text: Enter interval for internal or external number assignment

What causes this issue?

Either you did not enter any interval for number assignment or you
entered an interval for both internal and external assignment.

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

Enter either an interval for internal or for external number
assignment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW199 - Enter interval for internal or external number assignment ?

  The SAP error message MW199, which states "Enter interval for internal or external number assignment," typically occurs when you are trying to create or manage number ranges for certain objects in SAP, such as material documents, purchase orders, or other transactional data. This error indicates that the system requires you to define a number range interval for the specific object you are working with.
  
  Cause:
  The error is caused by the absence of a defined number range interval for the internal or external number assignment for the object you are trying to create or modify. In SAP, number ranges are used to ensure that each document or transaction has a unique identifier, and if these ranges are not set up correctly, the system will prompt this error.
  
  Solution:
  To resolve the MW199 error, you need to define the number range intervals for the relevant object. Here are the steps to do this:
  
  
  Access the Number