@wojtech
There is this note in 62/78 software updates page :
IMPORTANT: if upgrading from a software version less than 3.40 you must follow these steps for future BaseCamp Compatibility:
If you are a user of BaseCamp now, or plan to be in the future, you must follow these steps to ensure your data is protected during this software update:
Connect your handheld unit to a computer and launch BaseCamp. Transfer all tracks, routes and waypoints to BaseCamp.
Delete the /Garmin/GPX folder from the handheld's mass storage.
Update the handheld's software via WebUpdater and reboot the handheld.
Reconnect the handheld to a computer and transfer your data from BaseCamp back to the handheld.
This is probably the reason you lost your data.
Probably is better you reverse it back to a previous frmware, use your backup then and repeat the whole updating procedure.
[Only registered and activated users can see links. ]
[Only registered and activated users can see links. ]
[Only registered and activated users can see links. ]
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