Experience Editor fails with a ProfileCardsPanel.css script error in the console

When you open a page in the Experience Editor, it fails and shows a script error in the console. The Experience Editor might fail with a console error similar to one of the following mentioned here due to parsing ProfileCardsPanel.CSS as a script:

To resolve the issue, download and install the following hotfix:

For Sitecore XP 9.3.0:

Download SC Hotfix 393114-1.zip from this URL https://bit.ly/DownloadSCHotfix

Be careful that the hotfix was built for certain Sitecore XP versions and must not be installed on other versions or in combination with other hotfixes.

In case any other hotfixes have already been installed on a certain Sitecore XP instance, send a request for a compatibility check to Sitecore Support.

Note that the ZIP file contents need to be extracted to locate installation instructions and related files inside. The hotfixes must be installed on a CM instance and then synced with other instances using standard development practices.