There is a cadastral number.
Most likely, the data on it are either incomplete or missing from the State Land Cadastre. Contact the territorial body of the State Geocadastre in the district (city) where the plot is located. Submit an error correction request. This is about land plots.
If we are talking about a house or an apartment, then the application takes information from the real estate register, and this indicates that there is no such house, house or apartment in this register. You need to register with a notary and get documents. The action refers to different registries, and this indicates that this information is not there.