This has been fixed. However, you need to remember that using by(vars), the grouping variable var should not have more than two categories, this is the limitation imposed by Stata.
The new version of asdoc can be installed from my site. Copy and paste the following line in Stata and press enter.
net install asdoc, from(http://fintechprofessor.com) replace
Please note that the above line has to be copied in full. After installation of the new version, then restart Stata.
Please do remember to cite asdoc. To cite:
Tables were created using asdoc, a Stata program written by Shah (2018).
Shah, A. (2018). ASDOC: Stata module to create high-quality tables in MS Word from Stata output. Statistical Software Components S458466, Boston College Department of Economics.