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 ('cb916f8bbd53fb215a127d4ce7bfff28', -1, 1566524598, 1566524598, '22cca94c', 10, 0, 0)

Line : 189
File : sessions.php