Error after submitting the program

I am able to run the server.js on localhost. When i am submitting any program with or without input, i am getting the below error.
There is one temp folder created in the project directory and i am able to see the below files. But still shows the same error again and again.

Kindly help someone ASAP

/bin/sh: 1: cannot open 621a89jinput.txt: No such file /bin/sh: 1: 621a89j: not found