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 ('831e1d5289c3266763f3cacd957d8157', -1, 1524412872, 1524412872, '36517577', 2, 0, 0)

Line : 211
File : sessions.php