I raised a technical issue a while ago and received an update as follows..
Thank you for contacting Immigration, Refugees and Citizenship Canada (IRCC).
We verified the information you provided. The situation you described is caused by not having completed all required questions of a form. When a form appears as In Progress, it is impossible to continue with the application. To ensure your profile is complete, you can use the Check for Completeness button available in each form.
If you experience technical difficulties, you may want to try using a different Web browser such as Firefox or Google Chrome. You may also check your browser's language settings and make sure it is set to English or French as special characters can cause errors.
If you are still having a problem, please try clearing your browser cache. Your browser's Help section can tell you how to do this.
You may also consult our website for further information.
We hope the information provided is helpful in assisting you with your enquiry.
We would also like to suggest the following online services that might be helpful to you with any immigration, refugee and/or citizenship future requests:
Download application forms and guides
Change of address
Check your application status
Help Centre - To find answers, you may consult the different sections or type keywords related to your question.
I feel like they are only sending an automated message.