diff --git a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/client/ByProjectKeyProductVariantPatchesImportContainersByImportContainerKeyPost.java b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/client/ByProjectKeyProductVariantPatchesImportContainersByImportContainerKeyPost.java
index 1d471bb13f4..2bf662e7809 100644
--- a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/client/ByProjectKeyProductVariantPatchesImportContainersByImportContainerKeyPost.java
+++ b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/client/ByProjectKeyProductVariantPatchesImportContainersByImportContainerKeyPost.java
@@ -16,7 +16,7 @@
 import org.apache.commons.lang3.builder.HashCodeBuilder;
 
 /**
- *  <p>Creates a new import request for product variant patches</p>
+ *  <p>Creates a new import request for Product Variant Patches. Returns an InvalidField error if the ProductVariantPatchRequest contains patches with and without the <code>product</code> field set.</p>
  *
  * <hr>
  * <div class=code-example>
diff --git a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/client/ByProjectKeyProductVariantPatchesImportContainersByImportContainerKeyPostString.java b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/client/ByProjectKeyProductVariantPatchesImportContainersByImportContainerKeyPostString.java
index e0d5ea9878c..2275d4da29e 100644
--- a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/client/ByProjectKeyProductVariantPatchesImportContainersByImportContainerKeyPostString.java
+++ b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/client/ByProjectKeyProductVariantPatchesImportContainersByImportContainerKeyPostString.java
@@ -17,7 +17,7 @@
 import org.apache.commons.lang3.builder.HashCodeBuilder;
 
 /**
- *  <p>Creates a new import request for product variant patches</p>
+ *  <p>Creates a new import request for Product Variant Patches. Returns an InvalidField error if the ProductVariantPatchRequest contains patches with and without the <code>product</code> field set.</p>
  *
  * <hr>
  * <div class=code-example>
diff --git a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatch.java b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatch.java
index 3da52db68e3..08574061aca 100644
--- a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatch.java
+++ b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatch.java
@@ -66,7 +66,8 @@ public interface ProductVariantPatch {
     public Boolean getStaged();
 
     /**
-     *  <p>Reference to the Product which contains the ProductVariant. Setting a value will batch process the import operations to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
+     *  <p>Reference to the Product that contains the ProductVariant.</p>
+     *  <p>We recommend to set this value to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
      * @return product
      */
     @Valid
@@ -101,7 +102,8 @@ public interface ProductVariantPatch {
     public void setStaged(final Boolean staged);
 
     /**
-     *  <p>Reference to the Product which contains the ProductVariant. Setting a value will batch process the import operations to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
+     *  <p>Reference to the Product that contains the ProductVariant.</p>
+     *  <p>We recommend to set this value to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
      * @param product value to be set
      */
 
diff --git a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatchBuilder.java b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatchBuilder.java
index d67434e7178..4422ae6c1d9 100644
--- a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatchBuilder.java
+++ b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatchBuilder.java
@@ -141,7 +141,8 @@ public ProductVariantPatchBuilder staged(@Nullable final Boolean staged) {
     }
 
     /**
-     *  <p>Reference to the Product which contains the ProductVariant. Setting a value will batch process the import operations to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
+     *  <p>Reference to the Product that contains the ProductVariant.</p>
+     *  <p>We recommend to set this value to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
      * @param builder function to build the product value
      * @return Builder
      */
@@ -153,7 +154,8 @@ public ProductVariantPatchBuilder product(
     }
 
     /**
-     *  <p>Reference to the Product which contains the ProductVariant. Setting a value will batch process the import operations to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
+     *  <p>Reference to the Product that contains the ProductVariant.</p>
+     *  <p>We recommend to set this value to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
      * @param builder function to build the product value
      * @return Builder
      */
@@ -165,7 +167,8 @@ public ProductVariantPatchBuilder withProduct(
     }
 
     /**
-     *  <p>Reference to the Product which contains the ProductVariant. Setting a value will batch process the import operations to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
+     *  <p>Reference to the Product that contains the ProductVariant.</p>
+     *  <p>We recommend to set this value to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
      * @param product value to be set
      * @return Builder
      */
@@ -212,7 +215,8 @@ public Boolean getStaged() {
     }
 
     /**
-     *  <p>Reference to the Product which contains the ProductVariant. Setting a value will batch process the import operations to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
+     *  <p>Reference to the Product that contains the ProductVariant.</p>
+     *  <p>We recommend to set this value to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
      * @return product
      */
 
diff --git a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatchImpl.java b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatchImpl.java
index db9160bfbb2..fe419d0fc90 100644
--- a/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatchImpl.java
+++ b/commercetools/commercetools-sdk-java-importapi/src/main/java-generated/com/commercetools/importapi/models/productvariants/ProductVariantPatchImpl.java
@@ -82,7 +82,8 @@ public Boolean getStaged() {
     }
 
     /**
-     *  <p>Reference to the Product which contains the ProductVariant. Setting a value will batch process the import operations to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
+     *  <p>Reference to the Product that contains the ProductVariant.</p>
+     *  <p>We recommend to set this value to minimize concurrency errors. If set, this field is required for every ProductVariantPatch in the ProductVariantPatchRequest.</p>
      */
 
     public com.commercetools.importapi.models.common.ProductKeyReference getProduct() {
diff --git a/reference.txt b/reference.txt
new file mode 100644
index 00000000000..7270b492a6b
--- /dev/null
+++ b/reference.txt
@@ -0,0 +1 @@
+b747e1fa4f246b748a89bccbfd8a43f5b6f51175
diff --git a/references.txt b/references.txt
index 6541ec43b14..315f7646f1e 100644
--- a/references.txt
+++ b/references.txt
@@ -334,3 +334,4 @@ a639dbb1cfe5b434c350e7b47ca717c69b3aa369
 971c1b4ce06c29fcb8c2402dc2ca523b2907352c
 b747e1fa4f246b748a89bccbfd8a43f5b6f51175
 b747e1fa4f246b748a89bccbfd8a43f5b6f51175
+505b3af56b4452b22dfb595f93e010b3e2fccc53