Internal error: No entry in table PTAB on &1 for personnel number &2

What causes this issue?

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

System Response

How to fix this error?

Internal notes:
The internal table PTAB is the result of a PROVIDE for infotypes 0001
and 0007.
Has the internal table PTAB been correctly filled?
Are infotypes 0001 and 0007 available for the personnel number on the
specified date?
Is data stored for the employee before his or her date of entry?

Error message extract from SAP system. Copyright SAP SE.