phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8b3185d97aeabaf18d0b95d0e3c1f1fd' 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 ('8b3185d97aeabaf18d0b95d0e3c1f1fd', -1, 1762309961, 1762309961, 'd849d887', 4, 0, 0)

Line : 187
File : sessions.php