Welcome Jalas.
Sorry, I do not understand what your app is supposed to do and cannot read your Blocks. I imagine you want to load a lot of Markers from coordinates stored on a Google Spreadsheet. The Markers are posted where your rubbish containers are located and use an ActivityStarter to post a route on the Google Map. The Blocks you are trying to use do not appear to be appropriate. Where did you find this example? Do you have a Google API license?
Here is an tutorial showing how to load a lot of Runtime Markers on a MIT Map (which uses OpenStreetMap map tiles; not Google Map tiles.) It uses a csv file of the Marker locations. It may contain features that are easy to work with using App Inventor.
You could modify this example (there is an aia file) to fit your purpose hopefully with your rubbish containers. :
It would help the developers here for you to provide the information Taifun asked for so they could provide specific advice to help with your code, which does not run. The tutorial does run l 