In order to purge a transaction from Check Reconciliation (other than Outstanding checks), you have to print the Check Reconciliation report and see the check(s) to purge. If you get an empty report, this means the ranges and options were not chosen correctly to select that check with a Posted Error status (which is what P stands for).

Also, you only get the purge option if you print the report to printer or file, not preview.

Try previewing the Check Reconciliation report with the 'Posting error' status selected, and the check number and date ranges from blank to the largest possible ending value (zzzzzzz / 12/31/2022, respectively), to see what is saved with the posted error check. With AP81D, I can successfully see checks with Posting Error status and purge them from check rec, so there is no problem with the program.
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Since the check has been printed, and likely already sent to the vendor, you need to edit the manual check batch to re-assign the same check number that was previously used - you can't just re-post the batch. To do this, you have to edit the check and remove the option that the check is to Print, and that will allow editing the check number field.

For me, it's problem solved.

I printed the two Posting Errors in Check Reconciliation, and cleared them. Then I was able to go to the Error batch and assign them the actual cheque numbers, which it wouldn't accept until they had been cleared them from the Check Rec.

And then they posted fine. They are listed in the Check Reconciliation as O so everything's good.

Thank you all for the help.

Hi Ramona

I just learned something from you today. I always deleted the batch and re-entered it because I couldn't get it to post. I never thought that purging the "P" status checks would allow posting to occur.

Steve