Can't share photos

[Android Central Question]

It is a new Samsung s6. I purchased through straighttalk. I had been able to share photos up until now. Every time I try to share a photo and error message pops up, but it disappears so fast I don't even know what it says.

 

[B. Diddy]

Welcome to Android Central! What app are you using to share the photo -- the stock Gallery app, or Google Photos, or something else?