phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fc2b45070f1798f352d70efe0e570407' 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 ('fc2b45070f1798f352d70efe0e570407', -1, 1766346819, 1766346819, 'd849d819', 41, 0, 0)

Line : 187
File : sessions.php