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 ('3d8468dc4b1c2fcfc12e72dac0478347', -1, 1575709782, 1575709782, '03d7b624', 5, 0, 0)

Line : 189
File : sessions.php