Good day

I have a document (attached) with various sheets each containing a number of charts and data ranges. Initially the charts were working fine, but of late it is almost as if the charts do not exist, even though they are displayed. When I select and copy a chart, it is not copied to the clipboard and therefore cannot be pasted. If I create a new chart using the same data ranges as one of the others, it looks the same and acts normal ( I can select, copy and paste it).

Also, when I select a chart and then click on the Chart Tools/Design Menu, the different style galleries do not show the chart, but a generic, nondescript icon.

What would be causing this, and how do I keep this from happening?

You assistance is greatly appreciated

Pieter