phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '84502c92b4b26da1c7f0eb78b73e8770' 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 ('84502c92b4b26da1c7f0eb78b73e8770', -1, 1765953848, 1765953848, 'd849d850', -9, 0, 0)

Line : 187
File : sessions.php