phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6a374a0ea5e4161b4912b4bf3e158f3f' 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 ('6a374a0ea5e4161b4912b4bf3e158f3f', -1, 1741079611, 1741079611, '340e904b', 0, 0, 0)

Line : 187
File : sessions.php