phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0c87ef003715aaa743e21a53f5593a50' 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 ('0c87ef003715aaa743e21a53f5593a50', -1, 1755683508, 1755683508, 'd849d800', -9, 0, 0)

Line : 187
File : sessions.php