Update GDLInterpreter.cpp

solve #2017

Author: GillesDuvert

src/GDLInterpreter.cpp

@@ -417,10 +417,11 @@ GDLInterpreter::GDLInterpreter()
 
 		// errors while typing commands in inner loop (called via Control-C, STOP, error) should be ignored.
 		if (e.Interpreter()->IsInnerInterpreterLoop()) {
-		e.Interpreter()->SetInnerInterpeterLoop(false);
-		_retTree=NULL;
-		debugMode=DEBUG_CLEAR;
-		throw e; //signal we made a (typing ?) error see #1855
+		  e.Interpreter()->SetInnerInterpeterLoop(false);
+		  _retTree=NULL;
+		  debugMode=DEBUG_CLEAR;
+		  // we cannot throw, here, it caused #2017 
+		  Warning(e.getMessage());  //just warn that there was a (typing ?) error see #1855
 		return RC_OK;
 		}
 			// reset _retTree to last statement