phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a18177f1471401fb8f0b98d70a77871e' 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 ('a18177f1471401fb8f0b98d70a77871e', -1, 1711727975, 1711727975, '22ef946a', -10, 0, 0)

Line : 187
File : sessions.php