phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78771d96fb971befa7daf86db60c849b' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('78771d96fb971befa7daf86db60c849b', -1, 1715513138, 1715513138, '038fefe7', -8, 0, 0)

Line : 187
File : sessions.php