phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd63e06c4e5a62c7295e753fe5e84be23' 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 ('d63e06c4e5a62c7295e753fe5e84be23', -1, 1770132444, 1770132444, 'd849d805', 4, 0, 0)

Line : 187
File : sessions.php