Duplicate Assing hero to a city

[peterzazou]

Ingame Nicketerzazou
Affected world(s):sanbox16
Browser:Chrome
Reproduction steps:

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Detailed error description (What you see):i cant assing a hero to my city.I get message that is one already..but is not.

How it should be:

Screenshot:

http://prntscr.com/svgb47

 

[Arci]

Duplicate of this: https://beta.forum.grepolis.com/index.php?threads/not-letting-assign-a-hero.4880/

In the meantime, I have requested our devs to manually unlock your hero