phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f1dedf0a276855c022cf90109c0a5db2' 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 ('f1dedf0a276855c022cf90109c0a5db2', -1, 1761501716, 1761501716, 'd849d835', -4, 0, 0)

Line : 187
File : sessions.php