I'm not able to convert my stp file through Auto Conversion, so how can i fix it.?

Hello!!
Last Two days to i’m trying to convert my sip through auto conversion but i’m not able to convert my stp file. so how can i fix it. i have attached my error screenshot please check it and please give me any helpful solution.

Thank you.AutoConversion AutoConversionFailed MetaVersion

Hello…!
any one can help me.?