How to interpret and resolve the "Insufficient Tokens" error from the Query Builder for Google Analytics
When running or saving a Custom Google Analytics Metric using Query Builder, you may receive an error stating that there are "Insufficient tokens."
When this error is displayed, too many API calls have been made to your Google Analytics Account in a 100 second period. Google Analytics imposes a global limit of 1000 API requests per 100 seconds. When this limit is hit, API calls cannot be successfully made until the 100-second period restarts.
In order to successfully run or save your Custom Metric, simply repeat the process of re-running and re-saving the Custom Metric.