White screen in InAppBrowser


i use ionic 5 and i use InAppBrowser for open my api url. I have server on my PC ( in my lan. I have test url - normaly its show only char A. In PC normaly working in phone too. When i used InAppBrowser with _external setting its ok too. Its normaly open and show. But when i use _blank browser i have only white screen and nothing happend. I try it on phone, emulator everything…

Can you help me please? Thank you :slight_smile: