I just try your sign in op, look what it does (*Image Removed* )
I found an error in one of the codes now, but as far as I know, you cannot have image in your signature if that's what you are trying to do.
Only a link to it.
Yes i know, I try this one :
[url=https://bitcointalk.org/index.php?topic=4937275.0][img width=500]https://i.imgur.com/P1ACTVo.png[/img][/url]
But always the same *Image Removed*