WHM plugin recent issue

i would like to informe that my anturis whm plugin is no longer working on all my servers …
for some reason it open an empty page just like that screenshot attacked on this post !!!

also i already re installed the plugin to see if it resolved and the same still going on …
is that something temporary ? if this is a permanent issue, how could i complete remove that plugin ?
i appreciate any information on this matter, looking forward to hear from you guys …