Internal Server Error

I have just installed iDiag Soft n it wont install Software. Says "LLCode-2" error and "Internal Server Error" and this error flashing on me. Cant buy software. Please fix errors!!!
I have old iPad with old software iDiag version 3.13.000 on my iPad (not updated yet) I tried buying software and Im able to buy software ok. Tried again on new/Updated iDiag app n still same get errors. Please fix!!!

Joke n Dave about X431 iDiag US_Euro