unable to upload video to StoryMap

[SB_GIS_user]

I am trying to upload a video. I can click "upload" and add the video, but the "add" button is greyed out.

[OwenGeo]

Hi - I'm sorry you are experiencing an issue uploading videos. I'm not able to reproduce this issue, so it must be something with your story, video file, or possibly local network. If the issue persists, please contact Esri Technical Support and they will be able to help you troubleshoot.