phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7f79475b2656a3968dd467adb4e0b113' 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 ('7f79475b2656a3968dd467adb4e0b113', -1, 1769728709, 1769728709, '00000000', -9, 0, 0)

Line : 187
File : sessions.php