@et05409 I too am getting the same error when uploading KMZ/KML. I first tried a folder of a few KMLs, and when that didn't work, I tried one small KML. i got same error for both. I will send to the same email above. Thanks
Windy is awesome, BTW. I've been sharing with everyone I know.

3C

https://www.windy.com/upload/5faad45b8b1fb4001148d87f

Upload your own KML, GPX, GeoJSON file at https://www.windy.com/uploader

2H

https://www.windy.com/upload/5faa05388b1fb4001148d87e

Upload your own KML, GPX, GeoJSON file at https://www.windy.com/uploader

1E

https://www.windy.com/upload/5fa9431ca8ef3d00119cac14

Upload your own KML, GPX, GeoJSON file at https://www.windy.com/uploader

3A

https://www.windy.com/upload/5fa893589c6e400011167517

Upload your own KML, GPX, GeoJSON file at https://www.windy.com/uploader

1a

https://www.windy.com/upload/5fa0bdd2d9b69a00116d6a68

Upload your own KML, GPX, GeoJSON file at https://www.windy.com/uploader

2L

https://www.windy.com/upload/5f9eb1290467b80011ad8211

Upload your own KML, GPX, GeoJSON file at https://www.windy.com/uploader

TX 1D

https://www.windy.com/upload/5f9eaa670467b80011ad8210

Upload your own KML, GPX, GeoJSON file at https://www.windy.com/uploader

TX 1C

https://www.windy.com/upload/5f9d7597bc1fe50011aae44d

Upload your own KML, GPX, GeoJSON file at https://www.windy.com/uploader

@et05409 I too am getting the same error when uploading KMZ/KML. I first tried a folder of a few KMLs, and when that didn't work, I tried one small KML. i got same error for both. I will send to the same email above. Thanks
Windy is awesome, BTW. I've been sharing with everyone I know.