iFrame Error - Showing a blank screen

[JackTingle]

Hello!

I have clients that log into a secure portal & access an iframe, this has been working fine for about a year now but, as of yesterday evening it is just showing up a blank screen but, the app is working fine!

Any ideas on a solution would be appreciated.

[WillowMobileSys]

Please contact AppSheet support.  There may have been a change that impacts iFrames.