Use DialogicUtil.get_variable_name() to get the type of the original variable

Author: adrientremblay

addons/dialogic/Modules/Variable/event_variable.gd

@@ -91,7 +91,7 @@ func _execute() -> void:
 
 			if operation == Operations.SET:
 				result = interpreted_value
-			elif (typeof(original_value) ==  Variant.Type.TYPE_STRING and _value_type == VarValueType.STRING and interpreted_value and operation == Operations.ADD):
+			elif (DialogicUtil.get_variable_type(name) == DialogicUtil.VarTypes.STRING and _value_type == VarValueType.STRING and interpreted_value and operation == Operations.ADD):
 				result = original_value + interpreted_value
 			elif not str(original_value).is_valid_float() or not str(interpreted_value).is_valid_float():
 				printerr("[Dialogic] Set Variable event failed because one value wasn't a float! [", original_value, ", ",interpreted_value,"]")