NUnit3ErrorTeamCity.log

Step 2/2: Nunit (NUnit) (5s)
[10:59:49][Step 2/2] "
[10:59:49][Step 2/2] This version of NUnit 3 is not a release version and is not compatible with TeamCity. Please update NUnit to a newer release version.
[10:59:49][Step 2/2] "
[10:59:49][Step 2/2] Starting: "C:\Program Files (x86)\NUnit.org\nunit-console\nunit3-console.exe" C:\TeamCity\buildAgent\temp\buildTmp\jEn3F5wt3nsQP8JequKrxJrq2wSzqGeC.nunit --work=C:\TeamCity\buildAgent\work\480bdc53c528bb5f --noresult --noheader
[10:59:49][Step 2/2] in directory: C:\TeamCity\buildAgent\work\480bdc53c528bb5f
[10:59:52][Step 2/2] Runtime Environment
[10:59:52][Step 2/2]    OS Version: Microsoft Windows NT 6.3.9600.0
[10:59:52][Step 2/2]   CLR Version: 4.0.30319.42000
[10:59:52][Step 2/2] 
[10:59:52][Step 2/2] Test Files
[10:59:52][Step 2/2]     C:\TeamCity\buildAgent\temp\buildTmp\jEn3F5wt3nsQP8JequKrxJrq2wSzqGeC.nunit
[10:59:52][Step 2/2] 
[10:59:54][Step 2/2] Could not load file or assembly 'nunit.framework' or one of its dependencies. The system cannot find the file specified.
[10:59:54][Step 2/2] Process exited with code -2
[10:59:54][Step 2/2] Step Nunit (NUnit) failed