phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '099c31b935701a3dcfed1f46a9556344' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('099c31b935701a3dcfed1f46a9556344', -1, 1765564621, 1765564621, 'd849d834', -4, 0, 0)

Line : 187
File : sessions.php