phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5f082284e6d56001aaeff83bf1bce840' 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 ('5f082284e6d56001aaeff83bf1bce840', -1, 1770056152, 1770056152, 'd849d837', 2, 0, 0)

Line : 187
File : sessions.php