phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('73d0490ae166c0c7a7c3d95d679b2ae2', -1, 1519365859, 1519365859, '36e36835', 0, 0, 0)

Line : 211
File : sessions.php