Studio is a real pain to work with, they never properly update their LDraw library. 71944k01 and k02 are official for two years, but still didn't make it to Studio library
Should work if you add both files in the same folder as 71945.dat.
https://www.ldraw.org/official-part-look...944k01.dat
https://www.ldraw.org/official-part-look...944k02.dat
Should work if you add both files in the same folder as 71945.dat.
https://www.ldraw.org/official-part-look...944k01.dat
https://www.ldraw.org/official-part-look...944k02.dat