I applied for a position (software engineer) through a company's JobScore portal and there was a checkbox to include a cover letter in raw text. I pasted a cover letter prepared beforehand and I submitted my application. At the very last second, I noticed that the checkbox was not ticked and thus no cover letter was attached to my application due to a bug in the interface (the cover letter textbox should only appear when the checkbox is ticked).
I just received an email saying that the recruitment team will not be moving forward with my application and I was wondering if it had to do with the lack of a covering letter. I really want the position and I believe my resume alone does no justice to my application. Should I move on or contact the HR department of the company?