Yup, the error states that you have copied another copy to the /game folder, maybe by accident, not only to "/game/tl/english". Please check this.
If so: The next problem will be that you now have overwritten the former myroom.rpy(c) in "/game"which is a completely different file. I have attached the original file "myroom.rpyc". The c at the end is no error, it is the myroom.rpy in compiled state. Please rename it after download and copy it to "/game" but please delete the wrong "myroom.rpy" AND "myroom.rpyc" in "/game" before! Sorry, I didn't invent this mess ;-)