A Russian court has fined migrant rights activist Tatiana Kotlyar 450,000 rubles ($4,900) on accusations of illegally registering foreigners at her home address, the independent news outlet Sotareported Monday. Kotlyar, 72, is said to have registered more than 10,500 foreigners since 2009. Russian law requires foreigners with registration to have access to state social services, while those who are unregistered face a fine. A court in central Russia’s Kaluga region found Kotlyar guilty of “fictitious registration of foreign citizens,” a criminal offense that carries a maximum sentence of three…