phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1859aeb10e7e252505e0251ace10914f' 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 ('1859aeb10e7e252505e0251ace10914f', -1, 1769883319, 1769883319, 'd849d851', -4, 0, 0)

Line : 187
File : sessions.php