When you have a public project with guest discussions enabled, and you call someone from the project, you may encounter this issue. After they accept the call and you turn on sync mode, if you navigate to the discussion tab, you won't be able to sync comments.
Workaround: There is currently no known workaround for this issue.
Devices Affected: IOS & Android
Experiencing this issue? Please contact support through the app by (1) going to your profile screen and (2) selecting 'Report Problem'.
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Reach our support team directly at help@fyi.fyi.