diff --git a/.liquibase/Data_alias/basic/2021.0.1/changelog.xml b/.liquibase/Data_alias/basic/2021.0.1/changelog.xml
new file mode 100644
index 0000000000000000000000000000000000000000..fa6c9391abfc97599d6fbb5104112c69592a5766
--- /dev/null
+++ b/.liquibase/Data_alias/basic/2021.0.1/changelog.xml
@@ -0,0 +1,5 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.6.xsd">
+    <include relativeToChangelogFile="true" file="update_SalesOrderItemRemoveOptional.xml"/>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/.liquibase/Data_alias/basic/2021.0.1/update_SalesOrderItemRemoveOptional.xml b/.liquibase/Data_alias/basic/2021.0.1/update_SalesOrderItemRemoveOptional.xml
new file mode 100644
index 0000000000000000000000000000000000000000..64bf902478621ef41504593718480ac0184474f6
--- /dev/null
+++ b/.liquibase/Data_alias/basic/2021.0.1/update_SalesOrderItemRemoveOptional.xml
@@ -0,0 +1,10 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.6.xsd">
+  <changeSet author="b.ulrich" id="2bbb96a8-077f-43de-af4c-e279d993fff8">
+        <dropColumn tableName="SALESORDERITEM">
+            <column name="OPTIONAL"/>
+        </dropColumn>
+  </changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/.liquibase/Data_alias/basic/_demoData/generatedData/salesorderitem.xml b/.liquibase/Data_alias/basic/_demoData/generatedData/salesorderitem.xml
index a7f439b41f7bdd297ae3ae0cee4f264fe9614d9f..f2f54c736ff6a767c4726a7c57c50dfa5ad3eb65 100644
--- a/.liquibase/Data_alias/basic/_demoData/generatedData/salesorderitem.xml
+++ b/.liquibase/Data_alias/basic/_demoData/generatedData/salesorderitem.xml
@@ -7,7 +7,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP2                       "/>
       <column name="ITEMNAME" value="Klimaanlage 2-Zonen"/>
       <column name="SALESORDER_ID" value="9069d098-7237-4fed-a365-ad2e60bf740f"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="2"/>
       <column name="ITEMPOSITION" value="2"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -21,7 +20,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP2                       "/>
       <column name="ITEMNAME" value="Turbolader"/>
       <column name="SALESORDER_ID" value="4eb43698-a4e7-4617-8150-1b279dcce9f2"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -34,7 +32,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP2                       "/>
       <column name="ITEMNAME" value="Turbolader"/>
       <column name="SALESORDER_ID" value="1b9bd530-f45b-4074-872f-b8362cfc5ed0"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -45,7 +42,6 @@
     <insert tableName="salesorderitem">
       <column name="QUANTITY" valueNumeric="1.00"/>
       <column name="SALESORDER_ID" value="66f6ffc1-702a-4ebe-9158-6214884d658d"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="PRICE" valueNumeric="145000.00"/>
@@ -58,7 +54,6 @@
       <column name="ITEMNAME" value="AX45"/>
       <column name="SALESORDER_ID" value="373f28a5-a812-433b-8196-a6bf8bdd5656"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -71,7 +66,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP2                       "/>
       <column name="ITEMNAME" value="Klimaanlage 4-Zonen"/>
       <column name="SALESORDER_ID" value="4eb43698-a4e7-4617-8150-1b279dcce9f2"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="2"/>
       <column name="ITEMPOSITION" value="2"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -85,7 +79,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP1                       "/>
       <column name="ITEMNAME" value="StahltrÃĪger Standard"/>
       <column name="SALESORDER_ID" value="63a33308-4ae4-4de7-bd59-162f3677e819"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="2"/>
       <column name="ITEMPOSITION" value="2"/>
       <column name="UNIT" value="QUANTITYKGS"/>
@@ -99,7 +92,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP2                       "/>
       <column name="ITEMNAME" value="Klimaanlage 4-Zonen"/>
       <column name="SALESORDER_ID" value="1b9bd530-f45b-4074-872f-b8362cfc5ed0"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="2"/>
       <column name="ITEMPOSITION" value="2"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -113,7 +105,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP3                       "/>
       <column name="ITEMNAME" value="Standard GerÞst"/>
       <column name="SALESORDER_ID" value="fc691949-4f61-485c-8e97-8f3d0d3d3962"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="2"/>
       <column name="ITEMPOSITION" value="2"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -127,7 +118,6 @@
       <column name="ITEMNAME" value="Ersatzteil 3"/>
       <column name="SALESORDER_ID" value="50c64e0f-6a21-4842-ab41-b27c70d0939a"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -141,7 +131,6 @@
       <column name="ITEMNAME" value="AX45"/>
       <column name="SALESORDER_ID" value="545ffd81-cfa5-4be6-b62c-df269909dcd4"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYHOUR"/>
@@ -155,7 +144,6 @@
       <column name="ITEMNAME" value="AX45"/>
       <column name="SALESORDER_ID" value="3ce30718-ecc6-4543-95c8-1b25e1b6db43"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -169,7 +157,6 @@
       <column name="ITEMNAME" value="WG2 Proudkt 3"/>
       <column name="SALESORDER_ID" value="5e082fe5-99d4-43be-aaad-e596f844fa8a"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="3"/>
       <column name="ITEMPOSITION" value="3"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -183,7 +170,6 @@
       <column name="ITEMNAME" value="AX45"/>
       <column name="SALESORDER_ID" value="4b0e2423-d09d-47fc-b274-5a9fde013b64"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -197,7 +183,6 @@
       <column name="ITEMNAME" value="WG2 Produkt 5"/>
       <column name="SALESORDER_ID" value="e40eb96e-1f1f-4afa-9bd3-f70eff9041c0"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -211,7 +196,6 @@
       <column name="ITEMNAME" value="FÃķrderanlage"/>
       <column name="SALESORDER_ID" value="63a33308-4ae4-4de7-bd59-162f3677e819"/>
       <column name="DISCOUNT" valueNumeric="5.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -224,7 +208,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP2                       "/>
       <column name="ITEMNAME" value="Bremsscheiben"/>
       <column name="SALESORDER_ID" value="9069d098-7237-4fed-a365-ad2e60bf740f"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -237,7 +220,6 @@
       <column name="GROUPCODEID" value="PRODUCTGROUP3                       "/>
       <column name="ITEMNAME" value="Gipsplatten"/>
       <column name="SALESORDER_ID" value="fc691949-4f61-485c-8e97-8f3d0d3d3962"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
@@ -251,7 +233,6 @@
       <column name="ITEMNAME" value="Service Einsatz"/>
       <column name="SALESORDER_ID" value="5e082fe5-99d4-43be-aaad-e596f844fa8a"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="2"/>
       <column name="ITEMPOSITION" value="2"/>
       <column name="UNIT" value="QUANTITYHOUR"/>
@@ -265,7 +246,6 @@
       <column name="ITEMNAME" value="WG2 Produkt 4"/>
       <column name="SALESORDER_ID" value="5e082fe5-99d4-43be-aaad-e596f844fa8a"/>
       <column name="VAT" valueNumeric="19.00"/>
-      <column name="OPTIONAL" valueNumeric="0"/>
       <column name="ITEMSORT" valueNumeric="1"/>
       <column name="ITEMPOSITION" value="1"/>
       <column name="UNIT" value="QUANTITYPIECES"/>
diff --git a/.liquibase/Data_alias/changelog.xml b/.liquibase/Data_alias/changelog.xml
index 12d0865aebe1c4bc81cb8563000a34e896ec8998..0e119a8ff0c966e6cc4761f641a92445cdc95ecb 100644
--- a/.liquibase/Data_alias/changelog.xml
+++ b/.liquibase/Data_alias/changelog.xml
@@ -20,6 +20,7 @@
     <include relativeToChangelogFile="true" file="basic/2020.2.2/changelog.xml"/>
     <include relativeToChangelogFile="true" file="basic/2020.2.3/changelog.xml"/>
     <include relativeToChangelogFile="true" file="basic/2021.0.0/changelog.xml"/>
+    <include relativeToChangelogFile="true" file="basic/2021.0.1/changelog.xml"/>
 
     <!--enable this only when you definetly want to overwrite the existing data with demo records:-->
     <!--<include relativeToChangelogFile="true" file="basic/_demoData/changelog.xml" context="example"/>-->
diff --git a/process/Neon_lib/process.js b/process/Neon_lib/process.js
index 18402adc55753b73d0fe427c881e0b50e9333cfa..2e86a15cdd58d5422fa1e44719477629089c9831 100644
--- a/process/Neon_lib/process.js
+++ b/process/Neon_lib/process.js
@@ -89,7 +89,11 @@ CopyModuleUtils.copyModule = function(pInputMapping)
     var AliasDefinitionStructure = project.getAliasDefinitionStructure("Data_alias", null);
     var ModulesMapping = {};
     var statements = [];
-
+    
+    if(pInputMapping["OFFERITEM"]["destinationModuleName"] == "SALESORDERITEM") //SalesOrder and Offer don't have the exact smae structure anymore: Order don't have the field "optional"
+    {
+        delete AliasDefinitionStructure["tables"]["OFFERITEM"]["columns"]["OPTIONAL"];
+    }
     buildMapping( pInputMapping );
     buildStatements( ModulesMapping );