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 ('593db9a809c4a12eedcfbd1e090c8dc6', -1, 1574447816, 1574447816, '12cc3868', 17, 0, 0)

Line : 218
File : sessions.php