Update Your Extension
PIP extension is usually updated automatically, but you might need to manually update the extension to resolve issues.
Step 1: click the 
icon at the upper-right corner of the browser.
Step 2: Click "More Tools" > "Extensions"
Step 3: Turn on the developer mode by clicking 
icon at the upper right corner of the page.
Step 4: Click 
button to update & restart the extension.