phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9d95a527903fc55d4d1f7f04d14cac84' 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 ('9d95a527903fc55d4d1f7f04d14cac84', -1, 1769954743, 1769954743, 'd849d822', -4, 0, 0)

Line : 187
File : sessions.php