📍 Bolt Help / Dashboard / Troubleshooting / Bolt Checkout Modal Doesn't Open Bolt Checkout Modal Doesn't Open How to troubleshoot the Checkout Modal when it does not open for shoppers. Page Contents Click to expand. Issue Selecting the Checkout Button fails to load the Checkout Modal and returns the following error: An Error Occurred. Reload the page and try again. Solutions Here are the top two solutions you can try to resolve this issue. If neither of these solutions work, reach out to the Bolt Support Team. Step 1: Verify URL Is On Auto-Approve List We require URLs that handle checkout to be registered on our Auto-Approve List found in the Bolt Merchant Dashboard. Log in to the Bolt Merchant Dashboard. Navigate to Developers. Scroll to Trusted Domains. Select + Add Domain. Add all relevant permutations of the required domain. www.yourstore.com www.ys.com (any applicable CNAMEs or aliases) www.yourstore.eu Select Add Domain to save. Refresh your browser and try to checkout again. Step 2: Verify Publishable Keys Publishable Keys are part of your API key set and must be linked to your storefront from the track.js and connect.js scripts. Step 1: Obtain Publishable Key Log in to the Bolt Merchant Dashboard. Navigate to Administration > API. Scroll to Publishable Key and copy it. The publishable key is a long string of lower and upper case letters and numbers that consists of three sections. Step 2: Update Publishable Key Log in to your Storefront Admin Console. Navigate to your storefront’s header file. Verify the publishable key for the track.js script: <script async id="bolt-track" type="text/javascript" src="{CDN_URL}/track.js" data-publishable-key="{PUBLISHABLE_KEY}" ></script> Verify the publishable key for the connect.js script: <script id="bolt-connect" type="text/javascript" src="{CDN_URL}/connect.js" data-publishable-key="{PUBLISHABLE_KEY}" ></script> Ensure the CDN URL is the following production URL: https://connect.bolt.com . Save your file. Refresh your browser and try to checkout again.