I cant send messages on pc?

I have tried videos, images and text but it says that the content of the thingy may violate the policy content and stuff

https://preview.redd.it/7ic9mogjhk8h1.png?width=343&format=png&auto=webp&s=ad82e6f7f91dceece0c25c7b0791f919d05f963e