Warning: Invalid argument supplied for foreach() in comment_notify_entity_extra_field_info() (line 569 of modules/contrib/comment_notify/comment_notify.module).
comment_notify_entity_extra_field_info()
Attach comment notify to any type like media etc.
If that doesn't exist on page, it throws warnings on pages
Check for any bundles available on that page and proceed only if that exists.
Postponed: needs info
1.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.