phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8cbb93225093a3e93e38c016b8a4227' 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 ('c8cbb93225093a3e93e38c016b8a4227', -1, 1768843025, 1768843025, '2e251811', -10, 0, 0)

Line : 187
File : sessions.php