1.Open your browser and go to "appleid.apple.com/ "
2.Log in with the Apple credentials that you are using to sign the side-loaded jailbreak [a.k.a Cydia Impactor]
3.Next, go to the Security section and click on Edit
4.Navigate to APP-SPECIFIC PASSWORDS and click on Generate Password
5.Now you must enter a label for this password, so call it anything that you will remember, such as Then click on Create
6.A password will be generated so copy it to clipboard
7.Now, when you go through the jailbreak steps in the Cydia Impactor tutorial again, when you are asked for a password for the Apple id, paste the newly generated one in. This will fix the error for provision.cpp:150.