Laser hair removal burn

I just had a laser hair removal session yesterday and my stomach and face burned or reacted I’m not sure. This was not my first time, in fact I’ve been with this clinic for 1.5 years with no issues. A new tech on me this time and she went over my stomach too many times (she even admitted it). She gave me aloe and sunblock and then an ice pack. The clinic is not taking any blame they just told me to put neosporin on it. They are saying oh you have longer sessions so it could be your body temperature was up or you were sweating on your stomach, both of which not true. In fact the office manager said it’s Normal because she experienced it once on her lower legs. I’m actually traumatized by laser now and i don’t want to go back for my remaining sessions. Im going to ask for a refund but i don’t think they will give me anything because they should have offered it already. should i sue? What else can i do! I have been getting laser for 2 years on and off & never experienced such a reaction. I believe they used candela gentle pro max.

https://imgur.com/a/ataeRyk
images from yesterday vs this morning. I have my bridal events coming up and I’m just so sad about this , my face and stomach seem ruined