I am a novice, is this what is the problem?
[GIS] qgis errpr :The following layers were not correctly generated
qgisr
Related Solutions
The error report tell you that that you have entered illegal parameters. 
The values cant be over +/-180 for X and +/-90 for Y In the tool box, try setting the xmin and ymax to -180 and 90 respectively.
Since the GRASS tool takes these attributes from the layers, it might hint that there might be an underlying error with the source layer's CRS or extents.
Based on the error message and what ended up working, there is likely something wrong with the path that you used to save the file in.
Like what worked, you can choose to use the "[Save to temporary file]" option.
Or you may want to work with a folder that has no spaces in it. For example: "C:\GIS".
Best Answer
Your error message tells you have tried to run an R script in the Processing Toolbox, which requires
.rsxscripts.Please read
QGIS processing guide, especially R syntax in Processing part.