phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9768bdcca2907ad88e549873ff40a210' 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 ('9768bdcca2907ad88e549873ff40a210', -1, 1747967720, 1747967720, 'd849d84c', 4, 0, 0)

Line : 187
File : sessions.php