phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b6c090c92b392856c53a430d0510828e' 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 ('b6c090c92b392856c53a430d0510828e', -1, 1774219809, 1774219809, 'ba02a036', -1, 0, 0)

Line : 187
File : sessions.php