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I have the same problem guys, but don't think it is an enya

could a % amidst the picture link be the same problem, whatcha think?

I think that could be very possible. It seems like some symbols are having issues. Hopefully it will be fixed and back to normal soon

probably it is something like that, but it isn't the %
posted a comment with a pic including %, it worked
and tried another big blog post with lots of links which didn't include the % but didn't work again :(

It's likely many "special characters" that are the issue. It'll eventually get fixed. However I've only noticed the enya thus far. at least you have an idea of what it is. and it's probably not to do with images but actual text, or copied text.

I still have the same problem, finally did a test post via my steempress, but can't edit it...

the solution for me was in: https://steemit.com/news/@kubrickkk/missing-posting-authority
comment by ace108

was the tags, not copy but type them

Hmmm.... There is probably some kind of character you are either copying in or using that's likely causing it.