phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c50e7d0eac0ce3b165a940c38846f400' 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 ('c50e7d0eac0ce3b165a940c38846f400', -1, 1766247057, 1766247057, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php