phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9ca7ab87f6862a53aa842eceae21ca50' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9ca7ab87f6862a53aa842eceae21ca50', -1, 1722039672, 1722039672, '03934584', -1, 0, 0)

Line : 187
File : sessions.php