Enter an existing segment version

What causes this issue?

An entry with the key &v2& is to be inserted in table
&v1&.
The specified version '&v3&' of segments for an IDoc type does not
exist.

System Response

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

How to fix this error?

Please enter a valid version. Use the Possible entries to display an
overview of the versions.

Error message extract from SAP system. Copyright SAP SE.