Not only the user must have permissions under Text Formats - Standard, Basic HTML, Full HTML - but also in the field in the Content Type itself. For instance, in Article Body settings for News it too must be set for Standard, Basic HTML, Full HTML.
I've the same error popping up on every site with this module.
Here's an alternate fix goto - Google Analytics Module - Advanced Settings - Select Locally cache tracking code file. Save. Uncheck. Save.
Error cleared.
Views Aggregator Plus is a great alternative.
https://www.drupal.org/project/views_aggregator →