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 ('19fff6ee9381e9031138c6309498c36f', -1, 1550318683, 1550318683, '36eb37fd', -2, 0, 0)

Line : 186
File : sessions.php