You'll see the following error message in H&R Block’s 2017 tax software if you entered your email address incorrectly in the Enter your email field, or in the Confirm your email field:
The email you entered doesn't seem to be valid. Please ensure you entered the correct email in the right format. [error code: 183]
How do I fix this?
To correct this error, return to the CRA questions page and make sure that both entries in the email fields on this page match. You can find the CRA questions page under the REQUIRED icon on the PREPARE tab.