phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8b8eb652d9d45d07fd063d89022eda39' 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 ('8b8eb652d9d45d07fd063d89022eda39', -1, 1788661817, 1788661817, 'd849d86d', 9, 0, 0)

Line : 187
File : sessions.php