diff --git a/slsDetectorSoftware/commonFiles/error_defs.h b/slsDetectorSoftware/commonFiles/error_defs.h
new file mode 100644
index 000000000..cd5035bc1
--- /dev/null
+++ b/slsDetectorSoftware/commonFiles/error_defs.h
@@ -0,0 +1,53 @@
+/*
+ * error_defs.h
+ *
+ *  Created on: Jan 18, 2013
+ *      Author: l_maliakal_d
+ */
+
+#ifndef ERROR_DEFS_H_
+#define ERROR_DEFS_H_
+
+
+#include <string>
+using namespace std;
+
+
+#include "sls_detector_defs.h"
+
+
+
+/** @short class returning all error messages for error mask */
+class errorDefs {
+
+
+public:
+
+	/** Constructor */
+	errorDefs(){};
+
+	/** Gets the error message
+	 * param errorMask error mask
+	 /returns error message from error mask
+	*/
+	static string getErrorMessage(int slsErrorMask){
+
+		string retval = "";
+
+		if(slsErrorMask&CANNOT_CONNECT_TO_DETECTOR)
+			retval.append("Cannot connect to Detector\n");
+
+		if(slsErrorMask&CANNOT_CONNECT_TO_RECEIVER)
+			retval.append("Cannot connect to Receiver\n");
+
+		if(slsErrorMask&COULD_NOT_CONFIGURE_MAC)
+			retval.append("Could not configure mac\n");
+
+		return retval;
+
+	}
+
+
+};
+
+#endif /* ERROR_DEFS_H_ */