Yes, mistakes on your application can cause your insurance claim to be rejected. This happens more often than most people think. The information you give when you make an insurance claim needs to be correct and full. Any mistakes, errors, or lies in your claim, whether you meant to or not, can cause it to be denied. Insurance companies look at the specifics of your claim to decide if it is true and how big of a request you are making. Even small mistakes can have big effects.
Information that is wrong or missing is one of the main reasons why claims are denied because of mistakes. The insurance company might reject your claim if you spell names wrong, give the wrong dates, or leave out important information about the event. They might think that these mistakes are an attempt to trick them or, at the very least, that the information isn't complete, which makes it harder for them to properly look into your claim. If you put the wrong date of loss, for example, it might look like the claim is outside of the coverage period.
Incorrect reporting of damages or losses is another important issue. Suppose the damage is lied about or overstated. In that case, the insurance company might see this as a red flag, even if it wasn't done on purpose. If the insurance company thinks the claim doesn't match up with the real loss, even if the overestimation was made without meaning to, it can still lead to denial. In this case, they might think you're trying to trick them or just decide that the information you gave them doesn't match what they think.
A denial can also happen if there are mistakes with the policy information. For instance, if you file a claim for something or damage that isn't covered by your policy, the insurance company will deny that part of the claim. If you don't know what your insurance covers and doesn't cover, you could make mistakes that lead to rejections.
It is important to check all the information twice before sending in your claim so that it doesn't get turned down because of a mistake. Make sure the dates, titles, and other information are correct and that all the necessary paperwork is included. If you're not sure what to put on the application or how to fill it out, you can ask your insurance agent or company representative for help.
In short, claims can be turned down because of mistakes made during the application process, such as giving wrong information, not having the right paperwork, or not knowing your policy. You can avoid these mistakes and improve your chances of getting your claim accepted by paying close attention to the little things.