java.sql.SQLException: [SQLITE_BUSY] The database file is locked (database is locked)
2012-12-06 02:58:21 [SEVERE] Query: DELETE FROM `pstone_grief_undo` WHERE field_x = 211 AND field_y = 113 AND field_z = -452 AND world = 'world';
The main thread failed to respond after 10 seconds
Probable Plugin cause: 'PreciousStones'
What follows is the stack trace of the main thread