diff --git a/src/main/java/io/ebeaninternal/server/deploy/parse/AnnotationAssocOnes.java b/src/main/java/io/ebeaninternal/server/deploy/parse/AnnotationAssocOnes.java
index 4be0a3ad1..5f792e670 100644
--- a/src/main/java/io/ebeaninternal/server/deploy/parse/AnnotationAssocOnes.java
+++ b/src/main/java/io/ebeaninternal/server/deploy/parse/AnnotationAssocOnes.java
@@ -184,7 +184,7 @@ public class AnnotationAssocOnes extends AnnotationParser {
   }
 
   private String errorMsgMissingBeanTable(Class<?> type, String from) {
-    return "Error with association to [" + type + "] from [" + from + "]. Is " + type + " registered?";
+    return "Error with association to [" + type + "] from [" + from + "]. Is " + type + " registered? Does it have the @Entity annotation?";
   }
 
   private BeanTable beanTable(DeployBeanPropertyAssoc<?> prop) {