FRED installation

Hello, after i run this command ( apt --assume-yes install fred) i have stack in this point any suggestion. ========== The following packages have unmet dependencies: fred : Depends: fred-rdap but it is not going to be installed or fred-rdap-py3 Depends: fred-rdap-apache but it is not going to be installed Depends: fred-webwhois but it is not going to be installed or fred-webwhois-py3 but it is not going to be installed Depends: fred-webwhois-apache but it is not going to be installed E: Unable to correct problems, you have held broken packages. =============