Only unused checks voided manually can be deleted

What causes this issue?

You can only delete check information for unused checks that have been
voided manually. This is necessary when lost checks need to be locked
on a temporary basis and then released for use once they have been
found.

How to fix this error?

If the check in question was issued and then voided, you should use the
option <DS:DE.CHKDXVOI>Reverse voided data</> in the function "Reset
check information data."
<DS:TRAN.FCHG>Proceed</>

Error message extract from SAP system. Copyright SAP SE.