There was an error in the HalconDotNet library while executing the rgb1_to_gray operator. Specifically, the error message indicates that the object-ID is NULL (0), which caused the Image data management to fail. This exception was thrown by the HalconDotNet.HalconAPI.PostCall method and was caught by the HalconDotNet.HOperatorException.throwOperator method. The stack trace shows the sequence of calls leading up to the exception being thrown, including the Test.TestHalconForm.BtnGreyScaleMap_Click event handler, which triggered the operation that resulted in the exception.
