phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78eb918e27442f34c0fa1fb3e9ccbe8a' 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 ('78eb918e27442f34c0fa1fb3e9ccbe8a', -1, 1790680263, 1790680263, 'd849d81a', -4, 0, 0)

Line : 187
File : sessions.php