(adsbygoogle = window.adsbygoogle || []).push({}); I did a logo for my future community, i am going to kick it off soon, but I can't upload it here to get to know what others think about it
maybe someone can help me with that? Does it have to do with that I am new here and I should wait or the forum is glitchy?

Check if your image meets the forum's requirements for file size and format.

Most forums only accept certain image formats (like JPEG, PNG) and have a maximum file size. You can check this You must login or register to view this content., it has both file (images) and unit conversion tools. So at first convert cm to mm (or other length units u need) then try to convert the image format. I guess it might work
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Also the problem could be technical

If the picture is marketing for other websites etc then it would be removed as you cant promote other websites or forums. Anything that violates the sites rules and regulations will most likely be removed. Check with You must login or register to view this content. regarding your picture situation.