So Niek, you are new OK, but please.
No need to spam posts in a row.
If you have to add informations to an already existing post use the top right pen icon to EDIT the post.
Otherwise you are bumping the thread, which is not allowed apart if 24 hours have passed since the last post.
As you can see I've edited your previous posts so the relevant content fits in a single one.
Again, the dropbox link you gave is the same as the link you sent me over twitter and is not valid.
Save your project as a single capx file. Save this capx file to your public folder, post the public link to your capx file.
No need to alert.
In the code given by gamecorpstudio, you see he makes you check if platform.count is less or equal 20.
That's where the limit is.
Modify 20 by something else, and you are good to go.
Or delete already existing platforms you are not using anymore so you keep platforms.count under 20 and so have more spawned...