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 ('88cc5305add17d9cf2ec579dd46d6b00', -1, 1566660584, 1566660584, '22eec2a6', 37, 0, 0)

Line : 187
File : sessions.php