Index: sources/gui/qml/pages/MainStack.qml
===================================================================
diff -u -rc15ce613e372838316d42c40a86953e6f0aa05d3 -rc0c63c4b149dafea2b02e4cd31f223e392ff7818
--- sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision c15ce613e372838316d42c40a86953e6f0aa05d3)
+++ sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision c0c63c4b149dafea2b02e4cd31f223e392ff7818)
@@ -7,7 +7,7 @@
  *
  * \file    ManagerStack.qml
  * \author  (last)      Behrouz NematiPour
- * \date    (last)      01-Mar-2021
+ * \date    (last)      10-Mar-2021
  * \author  (original)  Behrouz NematiPour
  * \date    (original)  21-Oct-2019
  *
@@ -21,6 +21,7 @@
 import "qrc:/globals"
 import "qrc:/components"
 import "qrc:/pages/pretreatment"
+import "qrc:/pages/pretreatment/create"
 import "qrc:/pages/treatment"
 import "qrc:/pages/posttreatment"
 
@@ -33,14 +34,10 @@
 StackItem { id : _root
     stackView.initialItem   : _mainHome
 
-    MainHome                       { id: _mainHome
-        onTreatmentStarted      : _root.page ( _treatmentStack )
-        onTreatmentCreated      : vTreatmentCreate.doSelectParameters()
-    }
 
     // Pre Treatment
     PreTreatmentCreateStack         { id: _preTreatmentCreateStack          }
-    PreTreatmentPrimeStack          { id: _preTreatmentPrimeStack           }
+    PreTreatmentMainStack           { id: _preTreatmentMainStack            }
 
     TreatmentStack                  { id: _treatmentStack
         // please be careful about the _root.pop.
@@ -55,13 +52,18 @@
     PostTreatmentRecirculateStack   { id: _postTreatmentRecirculateStack    }
     PostTreatmentEndStack           { id: _postTreatmentEndStack            }
 
+    MainHome                       { id: _mainHome
+        onTreatmentStarted      : _root.page ( _treatmentStack )
+        onTreatmentCreated      : vTreatmentCreate.doSelectParameters()
+    }
+
     Connections { target: vHDOperationMode
         onFaultChanged              : { if ( vfault             ) { /* this is one way navigation, no getting back or out */ }}
         onServiceChanged            : { if ( vservice           ) { /* this is one way navigation, no getting back or out */ }}
         onInitChanged               : { if ( vinit              ) { /* this is one way navigation, no getting back or out */ }}
         onStandbyChanged            : { if ( vstandby           ) { pop ( _mainHome                         )}} // this is a reset
         onValidateParametersChanged : { if ( vvalidateParameters) { page( _preTreatmentCreateStack          )}}
-        onPreTreatmentChanged       : { if ( vpreTreatment      ) { page( _preTreatmentPrimeStack           )}}
+        onPreTreatmentChanged       : { if ( vpreTreatment      ) { page( _preTreatmentMainStack            )}}
         onInTreatmentChanged        : { if ( vinTreatment       ) { page( _treatmentStack                   )}}
         onPostTreatmentChanged      : { if ( vpostTreatment     ) {                                          }}
         onInvalidModeChanged        : { if ( vinvalidMode       ) {                                          }}