When I open the portlet I get an error:
Release : Any
You are running an NSQL query. We have governor limits set on your instance to avoid system overload. The default is 50k.
It is generally not recommended to increase this limit as portlets with lots of rows can actually bring the system down if accessed at once by many users.
Please check the KB below to see how to increase the governor limit and what are the ranges: Governor Limits in Clarity