phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21b88ab6fb63647d0b73161bab552bab' 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 ('21b88ab6fb63647d0b73161bab552bab', -1, 1714142837, 1714142837, '0395e62c', -4, 0, 0)

Line : 187
File : sessions.php