I am new to creating Warzone maps but I have a Google My Map I created (for a different reason) where I divided New Jersey into territories and I thought it would be fun to turn it into a map on Warzone. I have the state broken up into 60 polygons on the Google My Map. I was able to get a screenshot of the map into Inskcape but when I tried to upload it as a Warzone map I got an error message. I am wondering if there is any way that I could turn this into a Warzone map without having to redraw everything?

Never used the Google My Maps, can you export those in a meaningful way?

If youre working from a screenshot in Inkscape, you can right click it and then do Trace Bitmap.
-> You should play with the different settings and modes a bit to see what might give you the best result
-> Note that this often has less-than-ideal results, as it comes out either too chunky or malformed, or on the flip side might look epic but have so many nodes that it's too big for Warzone to handle.

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If you just tried to upload a screenshot as a Warzone map, perhaps you should view some more resources on how to make maps in general:
• Wiki: https://www.warzone.com/wiki/Map_Making
• NinjaNic's tutorial: https://www.youtube.com/watch?v=AkQn1pIZdY4
• Orannis' tutorials: https://www.youtube.com/playlist?list=PLSmZ4VbaICL_Y2e6xgXkyU7jabJsh6HLs

Also, join the Mapmakers discord (https://discord.gg/tcScgbr7Ua) and chat group (https://www.warzone.com/Groups/Group?ID=-120) if you can, thats easier than forums most of the time :)

Found this: https://codepen.io/aaronaverill/full/JVvBZb from OP of https://www.reddit.com/r/GoogleMaps/comments/biqal0/convert_a_my_maps_to_an_svg_file_you_can_use_in/

Can you post a screenshot of your problem ?