Hi there I met a problem when i upgrade zope from 2.3.0 to 2.3.1 . If i search "tractor" in PTK search field ( right top ). I get an error : Error type TypeError Error value expected integer key Error trace back Traceback (innermost last): File /zope/zope-dc-2.3.1/lib/python/ZPublisher/Publish.py, line 171, in publish File /zope/zope-dc-2.3.1/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: search) File /zope/zope-dc-2.3.1/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: search) File /zope/zope-dc-2.3.1/lib/python/OFS/DTMLMethod.py, line 189, in __call__ (Object: search) File /zope/zope-dc-2.3.1/lib/python/DocumentTemplate/DT_String.py, line 538, in __call__ (Object: search) File /zope/zope-dc-2.3.1/lib/python/DocumentTemplate/DT_In.py, line 480, in renderwb (Object: portal_catalog) File /zope/zope-dc/lib/python/Products/PTKBase/CatalogTool.py, line 163, in searchResults (Object: Traversable) File /zope/zope-dc-2.3.1/lib/python/Products/ZCatalog/ZCatalog.py, line 535, in searchResults (Object: Traversable) File /zope/zope-dc-2.3.1/lib/python/Products/ZCatalog/Catalog.py, line 651, in searchResults File /zope/zope-dc-2.3.1/lib/python/Products/ZCatalog/Catalog.py, line 542, in _indexedSearch File /zope/zope-dc-2.3.1/lib/python/SearchIndex/UnTextIndex.py, line 513, in _apply_index File /zope/zope-dc-2.3.1/lib/python/SearchIndex/UnTextIndex.py, line 576, in query File /zope/zope-dc-2.3.1/lib/python/SearchIndex/UnTextIndex.py, line 616, in evaluate File /zope/zope-dc-2.3.1/lib/python/SearchIndex/UnTextIndex.py, line 448, in __getitem__ TypeError: expected integer key What should i do? thanks