Tyre damage/guarantee?

Hello, my question is actually not specific to VW Touran, but I didn’t find any area in the forum where the question really fits. If there is a better area, please move. We have a plate on our touran at the front left. We bought the tyres about three months ago from the VW dealer. I found the hole and can’t really explain how this can come at the place in the tires, why I ask myself whether a material is missing The hole is located on the inside of the tyre, just in the area of the profile, exactly at a point where a small elevation is due to production. I upload a picture from the spot (red marking) on the tyre. Before I contact the dealer tomorrow, I would like to have an opinion about the damage of someone who has more idea than I do. Can someone say something about it? Greetings Ben