phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7d847bb1eaac8df767750016a591bca2' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7d847bb1eaac8df767750016a591bca2', -1, 1715560879, 1715560879, '12de53b9', -2, 0, 0)

Line : 187
File : sessions.php