Finally got a reply from my tech form submitted weeks ago - however it's asking for the below. This is after submitting almost all of it already and a screenshot of the tracker error.
I'll send it off in full again, but at this point, I'm just waiting for an email rather than the tracker now:
"Please note that this email is a response to the enquiries found below this email.
We verified the information you provided; however, it differs from what we have on file.
In order to better assist you, please resubmit your request by including the following information in a letter of explanation and uploading it in the IRCC Web form:
Surname and complete given name (including middle name, if applicable) - exactly as they appear on the passport or identity document,
Date of birth (YYYY-MM-DD),
Client ID Number, UCI or Application Number,
Country of birth,
Type of application,
Current address,
Telephone number(s),
Email address (if the application was submitted online, please confirm the email address used to register the account), and
All documents submitted with your previous request.
We will gladly reply to your enquiry within 5 business days following the reception of the abov
e information."