If ShareGate Apricot detects an external sharing review recurrence that is fewer than 16 days or more than 999 days, the following message will appear to alert you:
Hmm... that didn't work. The external sharing review policy couldn't be saved. Please try again later.
This usually occurs when you try to set an external sharing review recurrence that is outside the acceptable recurrence range.
The review recurrence (the amount of time to pass between each review) must be at least 16 days and fewer than 999 days.
From the Settings, the app allows you to set a default External sharing review policy and custom external sharing reviews for your sensitivity tags.
You can update your review recurrence by following the steps in the following walkthrough articles: