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 ('8a59a89dd1327b356046c59efb32d5b7', -1, 1574202960, 1574202960, '12cf8472', -4, 0, 0)

Line : 187
File : sessions.php