@RPN herewith I have attached the image and the return value for was PRO_TK_E_NOT_FOUND(-4).
@RPN I believe you have not understood the issue, try retrieving the file name from text file and do the same operation
I'm doing Toolkit since 15 Years, your error means the model file can't be found.
tk_status will be -4 if I change my code to
Because this model can't be found. But I will no longer watch this thread now, because you know what to do.