When I ignore specific errors in "Errors in Solution" window, Resharper remembers this setting.
I tried to reboot and restart Visual Studio, the ignored errors stayed ignored. Now I wanted to pass the ignored errors list to another programmers in the team by putting some setting file under version control. But I could not find where does Resharper store which errors are ignored. I have the following versions of SW.
Visual Studio 2012
JetBrains ReSharper 8.2.1 Full Edition
Build 8.2.1000.4556 on 2014-05-19T10:12:38
Update: I removed files in the following folder and the ignored errors reset, all errors became unignored.
%AppData%\..\Local\JetBrains\ReSharper\v8.2\SolutionCaches\
So it keeps the ignored errors somewhere in those files. Still I did not see the way to put it under version control.