Getting 'Failure to Update Attendance' message...not always.…

Getting 'Failure to Update Attendance' message...not always. June 2 Tues AM Lesson- Success June 15 Mon AM BC - Failure CORRESPONDING ERROR: Caught HTTP 404 : Entry not found /sessions/ses_2VQZx0dVQdyl Kiz Richter · Hearts Therapeutic Equestrian Center Hide stack trace ApiError: HTTP 404 : Entry not found at Je (https://24trots.com/assets/index-qhfT1Ii-.js:9:207953)

Getting 'Failure to Update Attendance' message...not always. June 2 Tues AM Lesson- Success June 15 Mon AM BC - Failure CORRESPONDING ERROR: Caught HTTP 404 : Entry not found /sessions/ses_2VQZx0dVQdyl Kiz Richter · Hearts Therapeutic Equestrian Center Hide stack trace ApiError: HTTP 404 : Entry not found at Je (https://24trots.com/assets/index-qhfT1Ii-.js:9:207953)