How To Fix VN302 - Number range interval 01 has not been assigned an internal number

VN302 - Overview

• Message type: E = Error

• Message class: VN - Nachrichtensteuerung

• Message number: 302

• Message text: Number range interval 01 has not been assigned an internal number

What causes this issue?

Number range interval 01 in Number range NASTSORTNR has not been
assigned an internal number.

System Response

The required number cannot be taken from this number range.

How to fix this error?

Check Number range NASTSORTNR to see if Interval 01 has been set for
internal number assignment. If not, switch the appropriate setting from
'external' to 'internal'.

<DS:TRAN.SNRO>Proceed</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

VN302 - Details

• SAP Error Message:
  VN302 - Number range interval 01 has not been assigned an internal number
  
  
  Cause:
  This error occurs when the system tries to assign a number from a number range interval (in this case, interval "01") but finds that no internal number has been assigned or the number range interval is not properly maintained or assigned. Essentially, the number range interval exists but does not have a current number or the number range object is not correctly configured.
  In SAP, number ranges are used to assign unique document numbers or identifiers automatically. If the number range interval is not properly set up or the internal number (current number) is missing, the system cannot generate the next number, leading to this error.
  
  When does it occur?
  
  During document creation or posting in modules like MM (Purchasing), FI (Financial Accounting), or SD (Sales and Distribution) where number ranges are used.
  Specifically, in the context of vendor master