Issue with creation of report/assets folder in simulation outputs

[pebasantaf]

The tool is unable to create the report/assets folder when storing the outputs of the simulations. This makes it not possible to check reports or generate report pdfs.
The issue seems to be in the function 'copy_report_assets', in the init.py within the utils folder. Basically, there is an error with the path from which to copy the report/assets folder into the new destination, so shutil.copytree does not work (it does not identify the source).