Amazon Prime Day starts with technical glitches

Amazon Prime Day started Monday with reports of technical difficulties.

READ MORE: What Canadian shoppers can expect on Amazon Prime Day 2018

Several subscribers to the online portal experienced error messages when logging into the website as the yearly sale began.

Some users received messages that read, “UH-OH Something went wrong on our end,” or “Sorry, but we’re experiencing unusually heavy traffic.”

View image in full screen

Others saw error pages like this:

Get weekly money news

Get expert insights, Q&A on markets, housing, inflation, and personal finance information delivered to you every Saturday.

Sign up for weekly money newsletter Sign Up

By providing your email address, you have read and agree to Global News' Terms and Conditions and Privacy Policy.

View image in full screen

It then prompted users to try again later.

Amazon says it’s working to resolve the glitches on its website that kept shoppers from buying on its much-hyped Prime Day. The hiccups could mute sales and send shoppers elsewhere on one of Amazon’s busiest sales days.

In a statement, Amazon says that many people are shopping successfully, and that in the first hour of Prime Day in the U.S., customers ordered more items compared to the first hour last year.

WATCH: Amazon to open second ‘grab and go’ store

0:45 Amazon to open second ‘grab and go’ store

Amazon Prime Day is actually a day and a half, and began at 3 p.m. ET on Monday. It ends 36 hours later at midnight July 17.

–With files from the Associated Press.