phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ed6ba5d606088e279b429eb9c540b5a0' 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 ('ed6ba5d606088e279b429eb9c540b5a0', -1, 1781701644, 1781701644, 'd849d9af', -4, 0, 0)

Line : 187
File : sessions.php