phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8182f73309d7baad70dca00dc0254fb' 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 ('d8182f73309d7baad70dca00dc0254fb', -1, 1770006559, 1770006559, 'd849d817', -4, 0, 0)

Line : 187
File : sessions.php