HI,
Got below error while trying to switch to next page in Readonly Grid.
Note: I do not have 317 lines in any of the rules that are referenced in this rule.
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What data are you populating this grid with? Is it a "query process analytics" call by any chance?
Yes, Data comes from Query Process Analytics.
As I noted in a comment here elsewhere, I believe this is related to a known issue that was solved in 19.2 Hotfix Package A - if you're using an on-premise install then you should ask your administrator to look into installing the hotfix; if you're on cloud then you can request the hotfix via a support ticket (though it's been out for a while so I'd have thought all cloud instances would have it already).
Thanks Mike. I'll raise a ticket with Appian.