Can not update Data Source. Some parameters or fields in use.

You can not update your query when you trying to remove filter parameter or field if it is used in some report or filter. In order to update the query change your reports or filters that use this dataset to be mapped to other fields/parameters. If it doesn’t help – delete all reports/filters that use this dataset, update dataset and recreate reports/filters with an updated query. You can find all related reports/filter on the dataset ‘Usage’ tab.