[Addon]While creating an account in Private Window, an error is displayed

[obotisan]

Affected versions

• Firefox 76.0.1
• Private Relay add-on version 1.4.0

Affected platforms

• Mac OS X 10.14
• Windows 10 x64
• Ubuntu 118.04 x64

Preconditions

• Private Relay add-on is installed.
• Firefox private relay account is needed.

Steps to reproduce:

1. Launch Firefox in Private Window.
2. Go to twitter.com and click on Sign up.
3. Use the add-on to Create New Relay Alias and paste the email in the corresponding field.
4. Go through with the sign up process.

Expected behavior

• Everything goes smoothly.

Actual behavior

• After the process is finished an error is displayed, even though the account is created.

[groovecoder]

Thanks for digging this far into it. This looks like an issue un-related to Relay. The alias was generated and even received the verification code.