ArtOfTest.Common.Design.Exceptions.ExecutionException: Exception thrown executing coded step: '[Demo_CodedStep_AutoCheckFeed] : Add selected functions: Require string selected functions'. ---> System.NullReferenceException: Can't Find Items tblFunction
   at OMS_500_Test.SelectFunctions.AutoChoice(String items) in d:\Inachis\Test\OMS_500\OMS_500_Test\Inserter\Libraries\SelectFunctions.tstest.cs:line 121
   at OMS_500_Test.SelectFunctions.Demo_CodedStep_AutoCheckFeed() in d:\Inachis\Test\OMS_500\OMS_500_Test\Inserter\Libraries\SelectFunctions.tstest.cs:line 82
   --- End of inner exception stack trace ---
   at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.InternalExecuteSteps(AutomationStepList stepList, TestResult testResult, Object codeBehindInstance, Boolean& stopExecution)