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community.appian.com/.../facing-this-grid-issue-type-recordtype-constructor-passed-17-fields-but-expected-50-fields
You have been lucky that there was already conversation in the community linked by stefan - big hint: Provide more context next time.Whats the current situation?What do you try to archive?
Everyone who is using the Community Edition is getting this error. I recommend you recreate this record or record list from scratch to avoid this issue, as Appian is taking longer than expected to resolve this issue.