phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '79756c3cd7063e0021ca6d8b8ebe8974' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('79756c3cd7063e0021ca6d8b8ebe8974', -1, 1787674821, 1787674821, 'c0a81013', 18, 0, 0)

Line : 187
File : sessions.php