Torbutton (TBB Linux x86_64-2.2.32-2-dev-en) pops up warning box when disk is full

When I started TBB I got:

Torbutton: Please file bug report! Error applying Non-Tor settings: [Exception... "Component returned failure code: 0x80520010 (NS_ERROR_FILE_NO_DEVICE_SPACE) [nsIPrefService.savePrefFile]"  nsresult: "0x80520010 (NS_ERROR_FILE_NO_DEVICE_SPACE)"  location: "JS frame :: chrome://torbutton/content/torbutton.js :: torbutton_update_status :: line 1916"  data: no]

The partition I had TBB on was full.

Looks like it's working other than the not-very-user-oriented popup message.

This is Torbutton 1.4.1.

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