I am having an error with my license key

Hi team Altair @Rahul_P1
recently i have formatted my laptop so i reinstalled simlab again so i wanted to activate my license key an error showed up saying license activated with a different host id so i searched about in your website found that i have to deactivate my license key first before i can reactivate it again so i tried to deactivate it an error message showed up saying license not found what should i do now