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 ('bc15dc123152a11bfe8127808022c7d7', -1, 1553186443, 1553186443, '22e42a19', 15, 0, 0)

Line : 189
File : sessions.php