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 ('b7f7f0aa236f916ed8c98d193c1635a1', -1, 1571355615, 1571355615, '0355f57e', 37, 0, 0)

Line : 187
File : sessions.php