Student Report Generation Tool doesnt display student results on report printing

When i try generate student report, it comes blank as shown below after selecting the filters:

When you click print report card a blank report is generated in PDF as follows yet the student has marks:

Kindly advice am using ERPNEXT version 12

Did u try in version 11. I did try, but it also does not bring any result only blank page, sort of site can’t be reached error. Any person who did it right, please post.

Yes i tried with both 11 and 12 but still the same error…I suppose this is a bug. Have already posted it on Github:

Does not seem like it is resolved in version 13 either… is it? Anyone has had success?