phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1a476c6c754533ff118e5bdc67174aac' 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 ('1a476c6c754533ff118e5bdc67174aac', -1, 1767758292, 1767758292, 'd849d887', 32, 0, 0)

Line : 187
File : sessions.php