Charts blanking out on Access Point however working fine on desktop version

[ankitsrtva]

We have a bar chart which works perfectly fine on desktop version. However, on access  point, it is blanking out and showing an error message. We have only used a single expression in the chart which is working on the desktop version. Can anyone help us figure out what might be the issue?

[Anil_Babu_Samineni]

Please provide the specification?

1) QV version

2) QV server version

3) Expression?

4) Error in Access point

[ankitsrtva]

QV Version: 12.10

QV Access Point Version: 12.4

Expression: 

=(sum({<$(vMATPF)={"C"}>}[Monthly Sales])+ sum({<$(vMATPF)={'C'}>}[Monthly Competitor Sales]))/
(sum(total<Month'Year>{<$(vMATPF)={"C"}>}[Monthly Sales]) + sum(total<Month'Year>{<$(vMATPF)={'C'}>}[Monthly Competitor Sales]))

Error in Access Point: No data to display

I want to highlight that data is displaying properly in desktop version and the error in only noticeable on access point. 

[Anil_Babu_Samineni · Accepted solution]

What is the definition for this variable "vMATPF"?

And, One correction technically {I can understand, This is working in desktop not on access point}

=(sum({<$(vMATPF)={"C"}>}[Monthly Sales])+ sum({<$(vMATPF)={'C'}>}[Monthly Competitor Sales]))/
(sum(total<[Month'Year]>{<$(vMATPF)={"C"}>}[Monthly Sales]) + sum(total<[Month'Year]>{<$(vMATPF)={'C'}>}[Monthly Competitor Sales]))

[ankitsrtva]

This worked. Thanks a lot!