Symptoms

The customer get an issue when trying to "open a subview" action from a button in the bottom of a form :
A simple click in the title area of the pop-up will move the pop-up to the down( sometime out of the current screen). The location on title is random .
 

Diagnoses

This issue a known issue.
 

Resolution

Please consider these workarounds below until such time that it has been addressed:

Workaround 1
On the Form (Not on the view), Add three datalabels to the canvas
for each data label set the literal property to true and the visible property to false

In datalabel 1 set the text value to
A

In datalabel 2 set the text value to
B

In datalabel 2 set the text value to
C


Workaround 2
Create a custom theme (see documentation)
Add the following to the theme CSS

@media screen and (-webkit-min-device-pixel-ratio:0)
{ /* chrome */
html
{
position: relative
}
}
@-moz-document url-prefix()
{ /* firefox */
body
{
position: relative overflow: auto
}
}
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active)
{ /* ie10+ */
body
{
position: relative overflow: auto
}
}