phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'acdb25d26a389a098298fc2beb1492c3' 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 ('acdb25d26a389a098298fc2beb1492c3', -1, 1773270293, 1773270293, 'd849d8d6', 1, 0, 0)

Line : 187
File : sessions.php