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 ('5c4eb27275b5bd7a2c6461014b30b2da', -1, 1414260724, 1414260724, '36a74b9b', 9, 0, 0)

Line : 163
File : sessions.php