phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9ddb9c12fe7d4a9be6d9b60c57c1bcd8' 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 ('9ddb9c12fe7d4a9be6d9b60c57c1bcd8', -1, 1767065228, 1767065228, 'd849d8aa', -4, 0, 0)

Line : 215
File : sessions.php