Build error

Unity Engine
,
1

Hi everyone.
After update to 2017.3.0f3 I have an error after I push “Build” button.
Assertion failed on expression: ‘!IsDirectoryCreated(kManagedDllsFolder)’

See Editor.txt in the attachment
Help me please, I’ve really despaired.
Thanks.

3141695–238378–Editor.txt (285 KB)

2

After reinstall Unity all work well.
I’m sorry.