phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8c047a1eed7a00fff896f0cad4c37f6' 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 ('c8c047a1eed7a00fff896f0cad4c37f6', -1, 1730416815, 1730416815, '0390190e', -12, 0, 0)

Line : 187
File : sessions.php