excel graphs input parameter invalid?

[try_guy90]

Hello,

I am not very familliar with the intricacies of using the Excel-specific report generation VIs, so maybe I am missing a glaring error here, but I have three separate graphs that I would like to add to a single excel file, each on a separate sheet. I can generate the data and record a single graph just fine, but for some reason when I have three going at once, an error appears like this one (three times)

I used highlight execution to find when the program stops and it appears to be in the first excel VI in my scatterplot subVI, but I don't understand why the input parameter can be invalid when it works with only one graph. 

Here is what my scatterplot subVI looks like, and I have also included a .zip of my whole project. 

Thank you in advance for any help!

[try_guy90]

Hi,

Some more information: 

• The error is generated in the first subVI of my scatterplot SubVI (Excel Easy Graph)
• The graphs generated for a single chart were correct
• The data displayed on the three charts on the front panel are correct

Thanks again for help.

[RenKylo2 · Accepted solution]

Hello,

I think the error might be due to the same report reference being used and closed multiple times. The Scatterplot subVI closes the same reference three time and so does the main VI. Try having the subVIs run one after another and close the reference at the very end. 

[try_guy90]

Thank you! that seemed to fix the problem. I used a sequence structure to force the order and closed the reference at the end.