This has happened in two different locations.

First instance:
-Using Botanist Lv. 35
-Stealth Activated.
-Selected Lush Vegetation to harvest.
-Opened Menu with Start Button on gamepad.
-Scrolled to Gathering Recipes.
-Closed menu.
- Lockup, no response from controller input.
-Forced Exit using Close Window (windowed mode).
-Upon attempting to log back in, error 1017 first, followed by 'Unable to update the Group NA/EU character list.

Second Instance:
-Using Miner Lv.50 in Horizon's Edge (NE near Copperbell entrance)
-Selected Mineral Deposit.
-Recieved Party invite.
-Declined Party invite.
-Confirmed Decline Party invite.
-Pressed the Circle Buttons to back out of Menu.
-No response from Gamepad buttons.
-Forced Exit using Close Window button (windowed mode).
-Upon attempting to log back in, error 1017, followed by message 'Unable to Update the Group NA/EU character list.

Not sure if you need more info, I'm also playing on PC.