What did I do wrong? Sister stopped talking to me?

Anonymous

If your sister is professional commercial photographer and you invited her on your kid’s birthday. And in a very last moment text her and ask if she can bring photo camera with her.
She said, yes, of course.
She photoshoot all birthday and then in several days gave us edited photos, i thanked her. She said always welcome, feel free to ask again in the future.
And from that day i didn't hear from her, from some people i ve heard that she is offended that everyone on the occasion was relaxing and enjoying and only she worked. And worked for free, she said i just used her as free photographer and thinks if she didn't have a camera i wouldn't invite her… so we didn't get in touch already for about several months. What do u think of the situation?

If you were her would you also be offended and would talk with sister any more?

Would you also invite ur relative as a photographer for free, if she/he was a pro photographer?
sorry, English isn't my first language

What did I do wrong? Sister stopped talking to me?
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