phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78d3e7b017fb12eb3b87f5d2c2d74af5' 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 ('78d3e7b017fb12eb3b87f5d2c2d74af5', -1, 1786541394, 1786541394, 'd849d84b', -9, 0, 0)

Line : 187
File : sessions.php