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 ('0015a7d1cf11595f6ba4849e05cfbf7f', -1, 1524345154, 1524345154, '36e06486', 23, 0, 0)

Line : 211
File : sessions.php