phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c771d46a8f082c5745785a2185e8a741' 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 ('c771d46a8f082c5745785a2185e8a741', -1, 1766035130, 1766035130, 'd849d8d7', -4, 0, 0)

Line : 187
File : sessions.php