Getting error 1 file not uploaded when trying to upload video in a group chat on mobile

Question:
I am on a mobile trying to create a group chat post and upload a video and getting and error saying 1 file not uploaded. What can I do to fix this. All my members get the same error. Is there any way of removing media options such as upload video when creating a post

Product:
wix groups, community

What are you trying to achieve:
to be able to upload a video via mobile as a post or remove the options for video upload when posting

What have you already tried:
everything

Additional information:
[Include any other pertinent details or information that might be helpful for people to know when trying to answer your question.]

Does your file meet following requirements - Wix Media: Supported Media File Types and File Sizes | Help Center | Wix.com