Error IS : " This widget can't be displayed because there is a problem with its source step: Maximum Concurrent Analytics Queries for Orgs has been exceeded. Current value is 1, and the limit is 1 ".
We have created dashboard on which there are 5 charts and one global filter panel. when we create the dashboard first time and run first time then it shows all the data. after that it randomly shows the data in some chart. And shows the above error for the charts which we create on the dashboard.