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 ('b7354ccf3546d36a45034c6d7b6252a7', -1, 1524344170, 1524344170, '36e06486', -4, 0, 0)

Line : 211
File : sessions.php