phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '523246a4f728b65058f22723a6db58be' 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 ('523246a4f728b65058f22723a6db58be', -1, 1770396159, 1770396159, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php