Items&brochures always out stock=unhappy client

I am really disappointed once again with Avon Justine. My 3rd month selling as a rep & once again have unhappy customers reason being so many of their items that were ordered are out of stock,this isn't the first time this has happened with them,I now look like a bad avon sales rep & this will result in me losing my customers. I was told that all out of stock items will be delivered on my next delivery I find this really unacceptable as my customers are really upset,another thing is what happens to the out of stock items if I don't make a next order?? I need this to be solved asap so I can satisfy my customers. Another thing is the brochures weere also out of stock!!!! Another thing which my customers havve been waiting for. Please this needs to be sorted out. Thank you