Help With Outlook 2010 Synchronization Log:

Hi all.
We have a local Exchange 2016 setup here. The users are using Office 2010, 2013 and 2016.
One user is seeing a huge amount of sync issues in Outlook (2010).
These sync issues started appearing recently, after the user was assigned a new computer.
The folder referenced seem to vary; some are in the TASKS, some are in SENT ITEMS, etc.
I asked the user to send me the most recent 3.
I've added them below.
Hoping someone can help shine some light on this.

9:33:12 Synchronizer Version 14.0.7010
9:33:12 Synchronizing Mailbox 'User ABC'
9:33:12 Synchronizing local changes in folder 'Tasks'
9:33:12 Uploading to server 'a5c94285-2970-4dab-9cd0@MyDomain.com'
9:33:12 Synchronization of some deletions failed.
9:33:12 [0-130]
9:33:12 1 item(s) deleted in online folder
9:33:12 Done

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9:27:00 Synchronizer Version 14.0.7010
9:27:00 Synchronizing Mailbox 'User ABC'
9:27:00 Synchronizing local changes in folder 'Sent Items'
9:27:00 Uploading to server 'a5c94285-2970-4dab-9cd0@MyDomain.com'
9:27:00 Synchronization of some deletions failed.
9:27:00 [0-130]
9:27:00 1 item(s) updated in online folder
9:27:00 1 item(s) deleted in online folder
9:27:00 Downloading from server 'a5c94285-2970-4dab-9cd0@MyDomain.com'
9:27:00 Done

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9:11:39 Synchronizer Version 14.0.7010
9:11:39 Synchronizing Mailbox 'User ABC'
9:11:39 Synchronizing local changes in folder 'Drafts'
9:11:39 Uploading to server 'a5c94285-2970-4dab-9cd0@MyDomain.com'
9:11:39 Synchronization of some deletions failed.
9:11:39 [0-130]
9:11:39 1 item(s) deleted in online folder
9:11:39 Done

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