After replacing a data source, adding a report page to a dashboard blanks out the page?

I’m having a problem data showing after I replaced a data source.

After replacing a data source, adding a report page to a dashboard blanks out the page?

I’m having a problem data showing after I replaced a data source.

After replacing a data source, adding a report page to a dashboard blanks out the page?

I’m having a problem data showing after I replaced a data source.

After replacing a data source, adding a report page to a dashboard blanks out the page?

I’m having a problem data showing after I replaced a data source.

After replacing a data source, adding a report page to a dashboard blanks out the page?

I’m having a problem data showing after I replaced a data source.