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 ('2c87a00ed97d1cd8a763232f39c235a9', -1, 1575870878, 1575870878, '035e81d3', 20, 0, 0)

Line : 187
File : sessions.php