No number range assigned for transaction &1.

What causes this issue?

You want to execute transaction &V1& = &V2& in controlling area &V3&.
Line item recording is active for this transaction. In order to
determine the document number, you must assign this transaction to a
number range interval, which you have not yet done.

System Response

The system cannot make postings.

How to fix this error?

Maintain number ranges for transaction &V1& in controlling area &V2&.
Alternately, check your entries for typos.

Error message extract from SAP system. Copyright SAP SE.