Just happened again...this is what appears in browser window: "Table ’gmhaincmodx.modx_site_content’ doesn’t exist"
Since I was paying attention this time, I can say that I had updated my template a couple of times, adding a GetTime snippet (things were fine up to that point). I decided to give lastUpdate a try again, since I really want to show the date that any page on the site was updated. I fiddled a bit with the php (since I don’t want the page URL or the time displayed, just the date), saved, saved template, and got above message.
Maybe I caused errors in the lastUpdate php, which caused the site error??
I really don’t like seeing that message - makes me nervous any time I load the site URL