Resolved import design break issue resolved

Author: speedy008

app/design/adminhtml/Magento/backend/web/css/source/forms/_fields.less

@@ -32,6 +32,20 @@
     width: @field-size__l;
 }
 
+.admin__field     {
+    &.field {
+        &.field-basic_behavior.with-addon {
+            .admin__field-control {
+                position: relative;
+                .mage-error {
+                    position: absolute;
+                    width: 100%;
+                }
+            }
+        }
+    }
+}
+
 .abs-field-sizes {
     &.admin__field-x-small {
         > .admin__field-control {