iOS MonoGame Unable to Load Content

Using MonoGame iOS Application (MonoGame Team) template. Opened Content.mgcb and added PNG file and built it. Added Content.Load call, but when running get:

Microsoft.Xna.Framework.Content.ContentLoadException: ‘The content file was not found.’

I can’t seem to get any content to load. Found someone making a comment on this on an already closed GitHub issue:

Anyone run into this? Any work-around?