diff --git a/src/main/java/com/application/DB/Constants.java b/src/main/java/com/application/DB/Constants.java
index a52c3f91c3aa9fd112481a4983ac79e93fbb6a58..41b0077781f19bb54b7669fbac4fe71980e3fef5 100644
--- a/src/main/java/com/application/DB/Constants.java
+++ b/src/main/java/com/application/DB/Constants.java
@@ -1,7 +1,5 @@
 package com.application.DB;
 
-import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -15,14 +13,6 @@ public final class Constants {
         // Empty constructor
     }
 
-    // Today's date
-    public static String CURRENT_DATE = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").format(LocalDateTime.now());
-
-    public static String TIME_LEFT = "";
-
-    // Number of manual moisture checks
-    public static int NUMBER_OF_CHECKS = 1;
-
     // Number of wanted drying periods
     public static int NUMBER_OF_PERIODS = 2;
 
@@ -32,8 +22,7 @@ public final class Constants {
     // Confidence interval
     public static final double CONFIDENCE_INTERVAL = 0.80;
 
-    // Non linear regression
-    public static final double ADJUST_REGRESSION = 5.0;
+
 
     // Current sawmill settings;
     public static final String PROJECT_ID = "sf-drying-optimization";
diff --git a/src/main/java/com/application/DB/DB.java b/src/main/java/com/application/DB/DB.java
index 513b38d1f0e05ad5af601dada2364a473a63f618..d135083910a61d0b9af04e567e86727798b9815b 100644
--- a/src/main/java/com/application/DB/DB.java
+++ b/src/main/java/com/application/DB/DB.java
@@ -1,6 +1,5 @@
 package com.application.DB;
 
-import com.application.GUI.NotificationPopUp;
 import com.google.cloud.bigquery.*;
 import org.joda.time.DateTime;
 
@@ -362,7 +361,7 @@ public class DB {
         String extraInputParameter = "";
         extraInputParameter += extraUserInput;
         if(locationID == 124){
-            extraInputParameter += "AND CalculatedStart BETWEEN \"1990-01-01 00:00:00\" AND \"" + CURRENT_DATE + "\" ";
+            extraInputParameter += "AND CalculatedStart BETWEEN \"1990-01-01 00:00:00\" AND \"" + HelpingFunctions.CURRENT_DATE + "\" ";
         }
         if(locationID == 174){
             // KILIN_ID starts at 0 not 1 in the database.
@@ -375,8 +374,8 @@ public class DB {
                         "SELECT MAX("+ nameParameter +") as DryingSchedule, MAX("+kilinName+") as Kiln_ID, " + startDryingTime + ", MAX("+stopDryingTime+") as DryingCompleted " +
                         "FROM `" + PROJECT_ID + "." + locationID + "." + valmeticsTableName + "` " +
                         "WHERE " + kilinName + " = " + kilinID + " " +
-                        "AND "+startDryingTime+" BETWEEN \"1990-01-01 00:00:00\" AND \"" + CURRENT_DATE + "\" " +
-                        "AND "+stopDryingTime+" BETWEEN \"1990-01-01 00:00:00\" AND \"" + CURRENT_DATE + "\" " +
+                        "AND "+startDryingTime+" BETWEEN \"1990-01-01 00:00:00\" AND \"" + HelpingFunctions.CURRENT_DATE + "\" " +
+                        "AND "+stopDryingTime+" BETWEEN \"1990-01-01 00:00:00\" AND \"" + HelpingFunctions.CURRENT_DATE + "\" " +
                                 extraInputParameter +
                         "AND LOWER(" +nameParameter+ ") NOT LIKE LOWER("+'"'+"%"+ "test" +"%"+'"'+") " +
                         "Group by "+ startDryingTime + " " +
@@ -608,7 +607,7 @@ public class DB {
         // Sqlstatement
         final String sqlStatement =
                 "INSERT INTO " + PROJECT_ID + "." + LOCATION_ID + "." + MAN_MOISTURE_TABLE + "(moisture,tree_species,dimensions,sawset,moisture_goal,no_moisture_check,start_time,stop_time,finished) " +
-                        "VALUES("+moisture+","+treeSpecies+","+dimensions+","+sawset+","+moistureGoal+","+NUMBER_OF_CHECKS+","+startTime+","+stopTime+","+IS_FINISHED+") ";
+                        "VALUES("+moisture+","+treeSpecies+","+dimensions+","+sawset+","+moistureGoal+","+ HelpingFunctions.NUMBER_OF_CHECKS+","+startTime+","+stopTime+","+IS_FINISHED+") ";
 
         System.out.println(sqlStatement);
 
diff --git a/src/main/java/com/application/DB/HelpingFunctions.java b/src/main/java/com/application/DB/HelpingFunctions.java
index 7cea97f5b8f146729c7c9136bde59f7dbddc3d39..b2dcc3c13539feefda37e81d4ac80b47bb1eba08 100644
--- a/src/main/java/com/application/DB/HelpingFunctions.java
+++ b/src/main/java/com/application/DB/HelpingFunctions.java
@@ -27,6 +27,14 @@ public class HelpingFunctions {
     public static String DIMENSIONS = "";
     public static String SAWSET = "";
     public static String MOISTURE_GOAL = "";
+
+    // Number of manual moisture checks
+    public static int NUMBER_OF_CHECKS = 1;
+
+    // Today's date
+    public static String CURRENT_DATE = "";
+    public static String TIME_LEFT = "";
+
     static Map<String,String> manMoist = new HashMap<>();
 
     /**
diff --git a/src/main/java/com/application/GUI/InputPopUpWindow.java b/src/main/java/com/application/GUI/InputPopUpWindow.java
index 5a47e8bbfdc10440a9621c3c23c4bff8f3dd8129..3a2f41dc1865c30dd318e1fa48c1dad0b7ac2276 100644
--- a/src/main/java/com/application/GUI/InputPopUpWindow.java
+++ b/src/main/java/com/application/GUI/InputPopUpWindow.java
@@ -1,6 +1,5 @@
 package com.application.GUI;
 
-import com.application.DB.Constants;
 import com.application.DB.HelpingFunctions;
 import javafx.application.Platform;
 import javafx.collections.FXCollections;
@@ -117,8 +116,8 @@ public class InputPopUpWindow {
         startButton.setOnAction(e -> {
 
             // Sets the start time
-            Constants.CURRENT_DATE = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").format(LocalDateTime.now());
-            HelpingFunctions.START_TIME = CURRENT_DATE;
+            HelpingFunctions.CURRENT_DATE = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").format(LocalDateTime.now());
+            HelpingFunctions.START_TIME = HelpingFunctions.CURRENT_DATE;
 
             // Retrieves the user inputs
             HelpingFunctions.TREE_SPECIES = treeSpeciesList.getValue();
@@ -134,27 +133,46 @@ public class InputPopUpWindow {
             // If the input is null, sets the value to be empty
             if (treeSpeciesList.getValue() == null) {
                 HelpingFunctions.TREE_SPECIES = "";
+                err = false;
             } else if (treeSpeciesList.getValue().length() > 10) {
-                treeSpeciesList.setPromptText("A maximum of 10 characters is allowed!");
+                NotificationPopUp.displayNotificationWindow("Maximum 10 characters is allowed for input parameters!");
+                treeSpeciesList.setValue("");
                 err = true;
+            } else {
+                err = false;
             }
+
             if (dimensionsList.getValue() == null) {
                 HelpingFunctions.DIMENSIONS = "";
+                err = false;
             }  else if (dimensionsList.getValue().length() > 10) {
-                dimensionsList.setPromptText("A maximum of 10 characters is allowed!");
+                NotificationPopUp.displayNotificationWindow("Maximum 10 characters is allowed for input parameters!");
+                dimensionsList.setValue("");
                 err = true;
+            } else {
+                err = false;
             }
+
             if (sawsetList.getValue() == null) {
                 HelpingFunctions.SAWSET = "";
+                err = false;
             } else if (sawsetList.getValue().length() > 10) {
-                sawsetList.setPromptText("A maximum of 10 characters is allowed!");
+                NotificationPopUp.displayNotificationWindow("Maximum 10 characters is allowed for input parameters!");
+                sawsetList.setValue("");
                 err = true;
+            } else {
+                err = false;
             }
+
             if (moistureList.getValue() == null) {
                 HelpingFunctions.MOISTURE_GOAL = "";
+                err = false;
             } else if (moistureList.getValue().length() > 10) {
-                moistureList.setPromptText("A maximum of 10 characters is allowed!");
+                NotificationPopUp.displayNotificationWindow("Maximum 10 characters is allowed for input parameters!");
+                moistureList.setValue("");
                 err = true;
+            } else {
+                err = false;
             }
 
 
diff --git a/src/main/java/com/application/GUI/OutputPopUpWindow.java b/src/main/java/com/application/GUI/OutputPopUpWindow.java
index 321ebdc2b1d5900b03b6d7ea4d3404a43e1ff1db..4131d729491dc0468da890ad10bd540ad842072d 100644
--- a/src/main/java/com/application/GUI/OutputPopUpWindow.java
+++ b/src/main/java/com/application/GUI/OutputPopUpWindow.java
@@ -14,7 +14,6 @@ import javafx.stage.Stage;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 
-import static com.application.DB.Constants.*;
 import static com.application.DB.HelpingFunctions.IS_FINISHED;
 
 public class OutputPopUpWindow {
@@ -50,7 +49,7 @@ public class OutputPopUpWindow {
                             !moistureCheckTextField.getCharacters().toString().equals("Please enter a value")) {
                             HelpingFunctions.STOP_TIME = null;
                             DB.pushManMoisture(moistureCheckTextField.getCharacters().toString());
-                            NUMBER_OF_CHECKS++;
+                            HelpingFunctions.NUMBER_OF_CHECKS++;
                             window.close();
                         } else {
                             moistureCheckTextField.setPromptText("Please enter a value");
diff --git a/target/classes/com/application/DB/Constants.class b/target/classes/com/application/DB/Constants.class
index baab2e803b66b6756e559d63ec15e8f4a94e25b9..c9a5150116d2bbe9927d6a19dc06f82d93019c91 100644
Binary files a/target/classes/com/application/DB/Constants.class and b/target/classes/com/application/DB/Constants.class differ
diff --git a/target/classes/com/application/DB/DB.class b/target/classes/com/application/DB/DB.class
index 5c58c7b89d7fff8a3e2b14f0002b918b5e5f5fb3..daa82426512533ee83c106d0cf36cbd0358652db 100644
Binary files a/target/classes/com/application/DB/DB.class and b/target/classes/com/application/DB/DB.class differ
diff --git a/target/classes/com/application/DB/HelpingFunctions.class b/target/classes/com/application/DB/HelpingFunctions.class
index 36d469c1d0ca1685925a9c9f742790f882b7ae9b..bee6c78cab5212aeffc64187947c97e9dfe21377 100644
Binary files a/target/classes/com/application/DB/HelpingFunctions.class and b/target/classes/com/application/DB/HelpingFunctions.class differ
diff --git a/target/classes/com/application/GUI/InputPopUpWindow.class b/target/classes/com/application/GUI/InputPopUpWindow.class
index 5fe2e775768312ba384e0ac7373115fa70bfc89a..41b8094813fed38f9b19edfe07460b22d908c4fb 100644
Binary files a/target/classes/com/application/GUI/InputPopUpWindow.class and b/target/classes/com/application/GUI/InputPopUpWindow.class differ
diff --git a/target/classes/com/application/GUI/OutputPopUpWindow.class b/target/classes/com/application/GUI/OutputPopUpWindow.class
index 27d06e89690bd8ca3dda77884ecb9438ad689235..5e7bc108155eb578f19803068244dc324435a7a7 100644
Binary files a/target/classes/com/application/GUI/OutputPopUpWindow.class and b/target/classes/com/application/GUI/OutputPopUpWindow.class differ
diff --git a/target/classes/com/application/Main.class b/target/classes/com/application/Main.class
index 2b75383dbd81ebb8c9fc02f5601c359dbd49e89a..bb4be3d39984c9a4ca925cc07a09e12c2343f7e0 100644
Binary files a/target/classes/com/application/Main.class and b/target/classes/com/application/Main.class differ