diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/pull/ReplicationQueue.java b/src/main/java/com/googlesource/gerrit/plugins/replication/pull/ReplicationQueue.java
index cdba012..3ded8eb 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/pull/ReplicationQueue.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/pull/ReplicationQueue.java
@@ -44,6 +44,7 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 import java.util.function.Consumer;
+import org.eclipse.jgit.errors.InvalidObjectIdException;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.transport.URIish;
 import org.slf4j.Logger;
@@ -189,7 +190,7 @@
       if (revisionData.isPresent()) {
         return ((source) -> callSendObject(source, project, refName, revisionData.get(), state));
       }
-    } catch (IOException | RefUpdateException e) {
+    } catch (InvalidObjectIdException | IOException | RefUpdateException e) {
       stateLog.error(
           String.format(
               "Exception during reading ref: %s, project:%s, message: %s",
diff --git a/src/main/resources/Documentation/config.md b/src/main/resources/Documentation/config.md
index 126cd1b..d4c5abf 100644
--- a/src/main/resources/Documentation/config.md
+++ b/src/main/resources/Documentation/config.md
@@ -181,6 +181,9 @@
 
     By default, all other refs are included.
 
+    Note that if you are using @PLUGIN@ together with multi-site, you should
+    explicitly exclude `refs/multi-site/version` from being replicated.
+
 replication.syncRefs
 :   Specify for which refs git fetch calls should be executed synchronously.
     It can be provided more than once, and supports three formats: regular expressions,