Unfortunately you need a proof of funds.
Who doesn't need proof of funds
You don’t need to show that you have enough money to support yourself and your family if:
you’re applying under the Canadian Experience Class
or
you’re authorized to work in Canada and you have a valid job offer, even if...
Hi, I would recommend to read this https://www.irb-cisr.gc.ca/en/country-information/research/Pages/somalia-questions-answers.aspx
Discussion on travel documents from Somalia with Immigration, Refugee and Citizenship Canada
It should be filled out and signed (handwritten/wet)) by you and your representative. It's hard to tell what was wrong without actually looking at that form.