diff --git a/dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/impl/PredefinedMissingValueVerifier.java b/dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/impl/PredefinedMissingValueVerifier.java
index b9f0f452cc319e2b4d03c5cfab546c81248ea153..9a11764710ae2295f11d1b707baf500d4229bd22 100644
--- a/dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/impl/PredefinedMissingValueVerifier.java
+++ b/dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/impl/PredefinedMissingValueVerifier.java
@@ -1,5 +1,10 @@
 package de.unikoblenz.fgbks.core.dmn.verification.verifier.impl;
 
+import static de.unikoblenz.fgbks.core.dmn.verification.result.actions.ActionScope.INPUT_COLUMN;
+import static de.unikoblenz.fgbks.core.dmn.verification.result.actions.ActionScope.OUTPUT_COLUMN;
+import static de.unikoblenz.fgbks.core.dmn.verification.result.actions.ActionScope.RULE;
+import static de.unikoblenz.fgbks.core.dmn.verification.result.actions.ActionType.CREATE;
+import static de.unikoblenz.fgbks.core.dmn.verification.result.actions.ActionType.UPDATE;
 import static de.unikoblenz.fgbks.core.dmn.verification.result.actions.VerificationFix.SHOW_INPUT_COLUMNS;
 import static de.unikoblenz.fgbks.core.dmn.verification.result.actions.VerificationFix.SHOW_OUTPUT_COLUMNS;
 
@@ -13,6 +18,8 @@ import de.unikoblenz.fgbks.core.dmn.domain.vdmn.VTypeRef;
 import de.unikoblenz.fgbks.core.dmn.domain.vdmn.utils.VDmnFunctions;
 import de.unikoblenz.fgbks.core.dmn.verification.result.VerificationResultEntry.VerificationClassification;
 import de.unikoblenz.fgbks.core.dmn.verification.result.VerificationResultEntryElement;
+import de.unikoblenz.fgbks.core.dmn.verification.result.actions.Action;
+import de.unikoblenz.fgbks.core.dmn.verification.result.actions.VerificationFix;
 import de.unikoblenz.fgbks.core.dmn.verification.verifier.AbstractVerifier;
 import de.unikoblenz.fgbks.core.dmn.verification.verifier.DmnVerifier;
 import de.unikoblenz.fgbks.core.dmn.verification.verifier.types.PredefinedMissingValueVerification;
@@ -82,9 +89,42 @@ public class PredefinedMissingValueVerifier extends AbstractVerifier {
   }
 
   private void addToResult(VDmnColumn stringColumn, Set<String> missingStringValues) {
-    vreFactory.addElement(VerificationResultEntryElement.create(stringColumn));
-    vreFactory.addVerificationFix(
-        stringColumn.isInputColumn() ? SHOW_INPUT_COLUMNS : SHOW_OUTPUT_COLUMNS);
+
+    // Add fixes for missing values: add rules
+    for (String value : missingStringValues) {
+      vreFactory.addVerificationFix(
+          VerificationFix.getBuilder()
+              .withFixName("New rule with \"" + value + "\"")
+              .addAction(
+                  Action.getBuilder()
+                      .withActionScope(RULE)
+                      .withActionType(CREATE)
+                      .addIdValue(stringColumn.getVDmnDecision().getDecisionId())
+                      .addValue(stringColumn.getColumnId().getValue(), "\"" + value + "\"")
+                      .build())
+              .build());
+    }
+
+    // Add fixes for missing values: delete predefined value
+    for (String value : missingStringValues) {
+      vreFactory.addVerificationFix(
+          VerificationFix.getBuilder()
+              .withFixName("Delete predefined value \"" + value + "\"")
+              .addAction(
+                  Action.getBuilder()
+                      .withActionScope(stringColumn.isInputColumn() ? INPUT_COLUMN : OUTPUT_COLUMN)
+                      .withActionType(UPDATE)
+                      .addIdValue(stringColumn.getVDmnDecision().getDecisionId())
+                      .addIdValue(stringColumn.getColumnId())
+                      .addValue("delPredVal", value)
+                      .build())
+              .build());
+    }
+
+    vreFactory
+        .addElement(VerificationResultEntryElement.create(stringColumn))
+        .addVerificationFix(
+            stringColumn.isInputColumn() ? SHOW_INPUT_COLUMNS : SHOW_OUTPUT_COLUMNS);
     StringBuilder sb = new StringBuilder();
     sb.append(VDmnFunctions.templateDecisionColumn(stringColumn));
     sb.append(missingStringValues.size() > 1 ? "These string values are" : "This string value is");
diff --git a/dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/types/PredefinedExistingValueVerification.java b/dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/types/PredefinedExistingValueVerification.java
index c7132b0e67d5ea2d7f5b03debd62a23e5bb563ee..7c7331bbf79d43d01d365c6aed45986f606e7d10 100644
--- a/dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/types/PredefinedExistingValueVerification.java
+++ b/dmnverifierapi/src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/types/PredefinedExistingValueVerification.java
@@ -17,7 +17,7 @@ public class PredefinedExistingValueVerification extends AbstractVerificationTyp
         new Name("Predefined Existing Values"),
         new Description(
             "Detecting string values, "
-                + "which are not defined in list of predefined values of the column."));
+                + "which are not defined in the list of predefined values of the column."));
   }
 
   public static PredefinedExistingValueVerification getInstance() {
diff --git a/dmnverifierapi/verifier.md b/dmnverifierapi/verifier.md
index 3f7421d57a0ef37a7e8619ab72a83084f281bb44..609d4d7a882439ebedae78773e869ead2cd0923e 100644
--- a/dmnverifierapi/verifier.md
+++ b/dmnverifierapi/verifier.md
@@ -72,7 +72,7 @@ TODO
 - Verifier: [PredefinedExistingValueVerifier](src/main/java/de/unikoblenz/fgbks/core/dmn/verification/verifier/impl/PredefinedExistingValueVerifier.java)
 
 #### Description
-Detecting string values, which are not defined in list of predefined values of the column.
+Detecting string values, which are not defined in the list of predefined values of the column.
 
 #### Algorithm
 ```
diff --git a/dmnverifierfrontend/src/main/resources/META-INF/resources/js/dmnVerifierActions.js b/dmnverifierfrontend/src/main/resources/META-INF/resources/js/dmnVerifierActions.js
index d40bd15c6a632fdf7805e8d82e1dc99c4708f75a..eb585a695e126af03a95b66db794f1de23e3bfad 100644
--- a/dmnverifierfrontend/src/main/resources/META-INF/resources/js/dmnVerifierActions.js
+++ b/dmnverifierfrontend/src/main/resources/META-INF/resources/js/dmnVerifierActions.js
@@ -197,7 +197,6 @@ function performVerificationFixCREATE(verificationEntry, fixAction) {
     case 'INPUT_ENTRY':
     case 'OUTPUT_ENTRY':
     case 'OUTPUT_COLUMN':
-    case 'DECISION_TABLE':
     case 'DECISION':
     default:
       alert("ACTION undefined: " + fixAction.actionType + ' -> '
@@ -400,9 +399,6 @@ function updateDecision(verificationEntry, fixAction) {
   openViewWithId(verificationEntry.elements[0].identifier['definitionId']);
 }
 
-// ACTION CREATE PREDEFINED VALUE
-// )
-
 /**
  *
  * @param {VerificationEntry}  verificationEntry
@@ -420,19 +416,32 @@ function updateColumn(verificationEntry, fixAction, idName) {
         column.businessObject.inputExpression.text = fixAction.actionValues['name'];
       }
     }
-    if (fixAction.actionValues['addPredVal']) {
+    if (fixAction.actionValues['addPredVal']
+        || fixAction.actionValues['delPredVal']) {
       let inputVals = [];
       if (column.businessObject.inputValues) {
         inputVals = column.businessObject.inputValues.text.split(",");
       }
-      let value = fixAction.actionValues['addPredVal'];
+      let value;
+      if (fixAction.actionValues['addPredVal']) {
+        value = fixAction.actionValues['addPredVal'];
+      } else if (fixAction.actionValues['delPredVal']) {
+        value = fixAction.actionValues['delPredVal'];
+      }
       if (!value.startsWith('"')) {
         value = '"' + value;
       }
       if (!value.endsWith('"')) {
         value = value + '"';
       }
-      inputVals.push(value);
+      if (fixAction.actionValues['addPredVal']) {
+        inputVals.push(value);
+      } else if (fixAction.actionValues['delPredVal']) {
+        var index = inputVals.indexOf(value);
+        if (index > -1) {
+          inputVals.splice(index, 1);
+        }
+      }
       getCurrentModeler().editAllowedValues(column.businessObject, inputVals);
     }
   }