phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a10ff252c48dabf75d0ac9a041a72820' 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 ('a10ff252c48dabf75d0ac9a041a72820', -1, 1758715685, 1758715685, 'd849d80a', -4, 0, 0)

Line : 187
File : sessions.php