Keeps deducting credits and not providing the generated content

It says I’m out of credits, but I’m not; it reset for the month. And last month, it used all my credits and generated nothing for me but only a couple of photos. And yet, no one seems to be able to correct this credit deduction glitch when content isn't generated. If it comes up with an error, it should automatically refund the credits to my balance. It does not do this. Even here, in this example, it’s deducted the 40 credits from my balance. 

This isn’t fair. 

When I spoke to someone with support, they kept repeating to me that I used all my credits, and I kept explaining over and over again that I hadn't actually used but a couple. It kept in error deducting credits for content it had errors creating, like the message in the second screenshot. 

The solution with support at this point was only to credit me a free month of service. The rep told me he had no ability to credit or verify credits for me, which I found made no sense. Although I appreciated a free month of service, it still didn't address the problem. No Credits = couldn't finish the project I was trying to complete without purchasing a credit pack, which would encounter most likely the same glitch. 

At this point, I have to just throw my hand in the error and walk away from this and look at other services that can take accountability for the generation error and refund the customer their rightfully due credits. I believe I should be credited back the credits I couldn't use last month.