diff --git a/js/common/bootstrap/errors.js b/js/common/bootstrap/errors.js
index ea1f08e309..b74714be62 100644
--- a/js/common/bootstrap/errors.js
+++ b/js/common/bootstrap/errors.js
@@ -260,6 +260,7 @@
     "ERROR_MODULE_FAILURE"         : { "code" : 3103, "message" : "failed to invoke module" },
     "ERROR_NO_SMART_COLLECTION"    : { "code" : 4000, "message" : "collection is not smart" },
     "ERROR_NO_SMART_GRAPH_ATTRIBUTE" : { "code" : 4001, "message" : "smart graph attribute not given" },
+    "ERROR_CANNOT_DROP_SMART_COLLECTION" : { "code" : 4002, "message" : "cannot drop this smart collection" },
     "ERROR_DISPATCHER_IS_STOPPING" : { "code" : 21001, "message" : "dispatcher stopped" },
     "ERROR_QUEUE_UNKNOWN"          : { "code" : 21002, "message" : "named queue does not exist" },
     "ERROR_QUEUE_FULL"             : { "code" : 21003, "message" : "named queue is full" }
diff --git a/lib/Basics/voc-errors.cpp b/lib/Basics/voc-errors.cpp
index 4d596dea85..409ad4ebcc 100644
--- a/lib/Basics/voc-errors.cpp
+++ b/lib/Basics/voc-errors.cpp
@@ -256,6 +256,7 @@ void TRI_InitializeErrorMessages () {
   REG_ERROR(ERROR_MODULE_FAILURE, "failed to invoke module");
   REG_ERROR(ERROR_NO_SMART_COLLECTION, "collection is not smart");
   REG_ERROR(ERROR_NO_SMART_GRAPH_ATTRIBUTE, "smart graph attribute not given");
+  REG_ERROR(ERROR_CANNOT_DROP_SMART_COLLECTION, "cannot drop this smart collection");
   REG_ERROR(ERROR_DISPATCHER_IS_STOPPING, "dispatcher stopped");
   REG_ERROR(ERROR_QUEUE_UNKNOWN, "named queue does not exist");
   REG_ERROR(ERROR_QUEUE_FULL, "named queue is full");
diff --git a/lib/Basics/voc-errors.h b/lib/Basics/voc-errors.h
index d0412e1ed4..7ee29e1a27 100644
--- a/lib/Basics/voc-errors.h
+++ b/lib/Basics/voc-errors.h
@@ -609,6 +609,9 @@
 ///   The requested collection needs to be smart, but it ain't
 /// - 4001: @LIT{smart graph attribute not given}
 ///   The given document does not have the smart graph attribute set.
+/// - 4002: @LIT{cannot drop this smart collection}
+///   This smart collection cannot be dropped, it dictates sharding in the
+///   graph.
 /// - 21001: @LIT{dispatcher stopped}
 ///   Will be returned if a shutdown is in progress.
 /// - 21002: @LIT{named queue does not exist}
@@ -3219,6 +3222,16 @@ void TRI_InitializeErrorMessages ();
 
 #define TRI_ERROR_NO_SMART_GRAPH_ATTRIBUTE                                (4001)
 
+////////////////////////////////////////////////////////////////////////////////
+/// @brief 4002: ERROR_CANNOT_DROP_SMART_COLLECTION
+///
+/// cannot drop this smart collection
+///
+/// This smart collection cannot be dropped, it dictates sharding in the graph.
+////////////////////////////////////////////////////////////////////////////////
+
+#define TRI_ERROR_CANNOT_DROP_SMART_COLLECTION                            (4002)
+
 ////////////////////////////////////////////////////////////////////////////////
 /// @brief 21001: ERROR_DISPATCHER_IS_STOPPING
 ///