From the case:
Herringbone artifact
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/58934/annotated_viewer_json?lang=us"}
Regularly repeating lines across the entire image are typical of so-called herringbone artefact.
Unable to process the form. Check for errors and try again.