Sorry, your license key isn't valid

Hello I changed the PHP version to the most current one and now when I log into the perch it shows the message "Sorry, your license key isn't valid for this domain. Log into your Perch account and add the following as your live or testing domain:" How can I solve this?

Olá mudei a versão do PHP para a mais atual e agora quando vou logar no perch ele mostra a mensagem "Sorry, your license key isn't valid for this domain. Log into your Perch account and add the following as your live or testing domain: " Como posso resolver isso?