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 ('6f3894ad0599b5b7df1232681d68b926', -1, 1529549779, 1529549779, '36e11fbc', 7, 0, 0)

Line : 219
File : sessions.php