Browser console is often used to identify problems with a web page and Zotero developers may ask you to check your browser console for errors to help troubleshoot a problem with web library or ZoteroBib. You can open your browser's console using the following key combination: * Chrome and Edge: * MacOS: Cmd + Option + J * Windows/Linux: Ctrl + Shift + J * Firefox: * MacOS: Cmd + Option + K * Windows/Linux: Ctrl + Shift + K * Safari on MacOS: * Cmd + Option + C