Resolves: fdo#60132 Error reading file after inserting comment

Change-Id: Ib2b388c78c8f44a626267c2f8d3975b46ead3bd5
(cherry picked from commit 165a53f3)
Reviewed-on: https://gerrit.libreoffice.org/2041Tested-by: Michael Stahl <mstahl@redhat.com>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

xmloff/source/text/txtfldi.cxx

@@ -3782,6 +3782,11 @@ void XMLAnnotationImportContext::PrepareField(
         while (xFields->hasMoreElements())
         {
             uno::Reference<beans::XPropertySet> xCurrField(xFields->nextElement(), uno::UNO_QUERY);
+            uno::Reference<beans::XPropertySetInfo> xPropsInfo(xCurrField->getPropertySetInfo());
+
+            if (!xPropsInfo->hasPropertyByName(sPropertyName))
+                continue;
+
             OUString aFieldName;
             xCurrField->getPropertyValue(sPropertyName) >>= aFieldName;
             if (aFieldName == aName)