phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '880c49ecc553cd2cae2b3c835a75960c' 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 ('880c49ecc553cd2cae2b3c835a75960c', -1, 1768392902, 1768392902, '7f000001', -4, 0, 0)

Line : 187
File : sessions.php