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 ('6940436c9a2a6c029ba527d1645af900', -1, 1524412375, 1524412375, '36517577', 26, 0, 0)

Line : 211
File : sessions.php