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 ('d8a8b6b6059d0721e5c2dcf34cad402a', -1, 1566378393, 1566378393, '03e2fb51', 63, 0, 0)

Line : 187
File : sessions.php