Error Message When Viewing Site

I’m testing out local and this error pops up when I try to view the site

( ! ) Fatal error: Uncaught Error: Class ‘WP_Block_Styles_Registry’ not found in /Users/LB-Laptop/Local Sites/lb-studio-local/app/public/wp-includes/script-loader.php on line 2899
( ! ) Error: Class ‘WP_Block_Styles_Registry’ not found in /Users/LB-Laptop/Local Sites/lb-studio-local/app/public/wp-includes/script-loader.php on line 2899
Call Stack

Time Memory Function Location

1 0.2431 11648432 Raven_ErrorHandler->handleException( ) …/ErrorHandler.php : 0

There has been a critical error on your website.

Learn more about debugging in WordPress.

Any suggestions on how I can fix this? The admin part works great.