Scheduled Bill disappearing/changing

Been using Quicken for as long as it's been out. Several months ago, 'bill & income reminder" feature started changing due dates. If monthly, I pay that month and the next bill is due in two months. I edit using "this and future instances" and it sometimes changes again.

New problem, I now find bills disappearing from that feature. This week alone, Spodify all home and car insurance scheduled bills are gone.

FYI, I run 'Validate & Repair File' once a week. It finds errors 50% of the time. Sometimes I need to run it 2-3 times to clear the errors. They are NOT investment account errors.

Any ideas? Thanks.
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