#1 GMPU not working for me properly

[setgaming]

I try to upload my map content and i get this
note: I already uploaded my map.

Successfully saved to "temp.gma" [512.0 MB]
Garry's Workshop Publisher 1.1
[Compiled May 22 2018 - 15:12:53]
Storage Quota: 1.0 GB total, 1023.9 MB free
Opening temp.gma
Compressing.. [512.0 MB] => Failed!
Deleting temporary gma...
Temporary gma deleted.
Deleting temporary addon.json...
Temporary addon.json deleted.
[WARNING] Creation Failed!
Finished running queue.
Refreshing addon list.
Retreving list of Addons.
ID: 1412969016 Name: "rp_playtown_v3_c4"
ID: 1196954056 Name: "Vgames F2:S Server Content"
Retrieval Finished!
Finished refreshing addon list.

[TheZeuS]

All my question icon.

[TheZeuS]

make icon jpg.

[TheZeuS]

if not, reduce the size of the image.