DeviceError variable names adjusted.

include/DeviceModule.h

@@ -102,7 +102,7 @@ class DeviceModule : public Module {
       struct DeviceError : public VariableGroup {
         using VariableGroup::VariableGroup;
         ScalarOutput<int> status{this,"status","",""}; 
-        ScalarOutput<std::string> message{this,"errMsg","",""}; 
+        ScalarOutput<std::string> message{this,"message","",""}; 
       };  
       
       DeviceError deviceError{this, "deviceError", "Error"}; 

src/DeviceModule.cc

@@ -256,7 +256,7 @@ namespace ChimeraTK {
 
 
   void DeviceModule::defineConnections(){
-    std::string prefix = "Device."+deviceAliasOrURI+"/";
+    std::string prefix = "Devices."+deviceAliasOrURI+"/";
     ControlSystemModule cs(prefix);
     deviceError.connectTo(cs["DeviceError"]);
   }