phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9c44898d2d3ff97365801caa8566e7fb' 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 ('9c44898d2d3ff97365801caa8566e7fb', -1, 1768481746, 1768481746, 'd849d86f', -2, 0, 0)

Line : 215
File : sessions.php