diff --git a/config/alfresco/messages/rest-framework-messages.properties b/config/alfresco/messages/rest-framework-messages.properties
index 3fd1259015..6e64ee6e77 100644
--- a/config/alfresco/messages/rest-framework-messages.properties
+++ b/config/alfresco/messages/rest-framework-messages.properties
@@ -2,6 +2,7 @@
 framework.exception.ApiDefault=Unknown error calling the Rest API
 framework.exception.ConstraintViolated=A constraint was violated
 framework.exception.InvalidArgument=An invalid argument was received {0}
+framework.exception.InvalidProperty=The property ''{0}'' with value ''{1}'' is invalid for {2} comparison.
 framework.exception.InvalidQuery=An invalid WHERE query was received. {0}
 framework.exception.InvalidSelect=An invalid {1} query was received. {0}
 framework.exception.NotFound={0} was not found
diff --git a/source/java/org/alfresco/rest/workflow/api/impl/MapBasedQueryWalker.java b/source/java/org/alfresco/rest/workflow/api/impl/MapBasedQueryWalker.java
index f0ecdd3fa8..f039506d00 100644
--- a/source/java/org/alfresco/rest/workflow/api/impl/MapBasedQueryWalker.java
+++ b/source/java/org/alfresco/rest/workflow/api/impl/MapBasedQueryWalker.java
@@ -177,7 +177,7 @@ public class MapBasedQueryWalker extends WalkerCallbackAdapter
     @Override
     public void comparison(int type, String propertyName, String propertyValue)
     {
-        boolean throwError = false;
+        boolean throwError = false;
         
         if (variablesEnabled && propertyName.startsWith("variables/")) 
         {
@@ -193,7 +193,7 @@ public class MapBasedQueryWalker extends WalkerCallbackAdapter
                 }
                 else
                 {
-                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
+                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
                 }
             }
             else if (type == WhereClauseParser.MATCHES)
@@ -204,7 +204,7 @@ public class MapBasedQueryWalker extends WalkerCallbackAdapter
                 }
                 else
                 {
-                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
+                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
                 }
             }
             else if (type == WhereClauseParser.GREATERTHAN)
@@ -215,7 +215,7 @@ public class MapBasedQueryWalker extends WalkerCallbackAdapter
                 }
                 else
                 {
-                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
+                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
                 }
             }
             else if (type == WhereClauseParser.GREATERTHANOREQUALS)
@@ -226,7 +226,7 @@ public class MapBasedQueryWalker extends WalkerCallbackAdapter
                 }
                 else
                 {
-                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
+                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
                 }
             }
             else if (type == WhereClauseParser.LESSTHAN)
@@ -237,7 +237,7 @@ public class MapBasedQueryWalker extends WalkerCallbackAdapter
                 }
                 else
                 {
-                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
+                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
                 }
             }
             else if (type == WhereClauseParser.LESSTHANOREQUALS)
@@ -248,7 +248,7 @@ public class MapBasedQueryWalker extends WalkerCallbackAdapter
                 }
                 else
                 {
-                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
+                    throwError = !handleUnmatchedComparison(type, propertyName, propertyValue);
                 }
             }
             else
@@ -257,7 +257,10 @@ public class MapBasedQueryWalker extends WalkerCallbackAdapter
             }
         }
 
-        if (throwError) { throw new InvalidArgumentException(type + " is not allowed for 'scope' comparison."); }
+        if (throwError) 
+        { 
+            throw new InvalidArgumentException("framework.exception.InvalidProperty", new Object[] {propertyName, propertyValue, WhereClauseParser.tokenNames[type]});
+        }
     }
 
     public String getProperty(String propertyName, int type)