sd card ejects after formating as internal via google files app

I am trying to increase the internal storage of my realme narzo 30a phone. but it doesnt support format as internal. so i enabled usb debugging and used

set-force-adoptabe true

via

. Then i formatted it as internal storage from google files app. as soon as i press done, i get a popup saying sd card is ejected. I also tried mounting via adb using

mount private DISK;VOLUME

but i got an error saying its inaccessible... If I dont press done after formatting using files, it doesnt seem to get ejected, but it is not shown in storge... is there no way to use sd card as internal storage? what is funny to me is that it works just fine on a moto e40 i tried it in... even the speeds were not bad.