opengamms for arm 64, android11, nanowhich package of opengapps did u installed? As I also installed the open gapps and it didn't get stuck or anything but yeah nikgapps gave an error.
nano and pico are the only one available for A11:
I don't know if it has to do with some wrong step i did in flashing process, i see that in android 11 the whole thing about modding became quiet messy...