phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c2d4cd7775cde8bcc2cb04d646f0748b' 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 ('c2d4cd7775cde8bcc2cb04d646f0748b', -1, 1753377613, 1753377613, 'd849d842', -9, 0, 0)

Line : 187
File : sessions.php