Program PR1_XPRA: Error in processing table &

What causes this issue?

In the current step the entries in table &V1& that consist of several
'X's are replaced by a single '*'.
When adding new entries or deleting old entries an error has arisen:
number of records to be changed: &V2&
number of records added: &V3&
number of records deleted: &V4&
For error-free execution all three numbers must agree.

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?

Check the contents of table &V1&!
If the table is to contain entries consisting of 'X's start the report
PR1_XPRA again or change the affected entries manually.

Error message extract from SAP system. Copyright SAP SE.