How To Fix 30042 - Number of master record & not within external number range

30042 - Overview

• Message type: E = Error

• Message class: 30 - Service Master: Basic Data

• Message number: 042

• Message text: Number of master record & not within external number range

What causes this issue?

You wish to create a service master and have assigned a key for it.

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

System Response

This key does not lie within the reserved number interval that is
derived for this master record from the service category.

How to fix this error?

Check via Customizing (number ranges, service master) which number
intervals have been created for the service category.

Error message extract from SAP system. Copyright SAP SE.

30042 - Details

• The SAP error message 30042, which states "Number of master record & not within external number range," typically occurs when you are trying to create or modify a master record (such as a vendor, customer, or material) using an external number range, but the number you are trying to use does not fall within the defined external number range for that particular master record type.
  
  Cause:
  
  Incorrect Number Range Configuration: The external number range for the master record type may not be properly configured in the system.
  Number Outside Defined Range: The number you are trying to use is outside the limits of the defined external number range.
  Number Range Assignment: The number range assigned to the specific master record type may not be set to allow external number assignment.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Find the relevant number range object for the master record you are working with