specifically for Impactor, rather than using their main account password. Insecure SSL : Selecting Impactor > Insecure SSL
Depending on why the error is appearing, you can try these steps: assert code 200 cydia impactor exclusive
Are you trying to a specific iOS version, or just sideload a single app? I can suggest the best alternative tool for your specific device. specifically for Impactor, rather than using their main