phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e787979aa3957bcd78af0f4e7b9bef5d' 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 ('e787979aa3957bcd78af0f4e7b9bef5d', -1, 1772406970, 1772406970, 'd849d813', 1, 0, 0)

Line : 187
File : sessions.php