[Zope] what does (2014, "Commands out of sync; You can't run this command now") mean??

[robert]

Hi there,
we are using a MySQLdb adapter, and get sometimes a
(2014, "Commands out of sync; You can't run this command now")
error.
Most of the time things are working fine. But up a sudden we get a 
traceback like the following:

Thanks for any hints
Robert

Traceback (innermost last):
  Module ZPublisher.Publish, line 101, in publish
  Module ZPublisher.mapply, line 88, in mapply
  Module ZPublisher.Publish, line 39, in call_object
  Module Products.CMFCore.FSPythonScript, line 104, in __call__
  Module Shared.DC.Scripts.Bindings, line 306, in __call__
  Module Shared.DC.Scripts.Bindings, line 343, in _bindAndExec
  Module Products.CMFCore.FSPythonScript, line 160, in _exec
  Module None, line 2, in zr_edit_setFieldValues
   - <FSPythonScript at /intranet/zehnder/zr_edit_setFieldValues used for /intranet/zehnder/servicetickets/ticket.2005-01-28.8948828769>
   - Line 2
  Module Products.CMFCore.CMFCatalogAware, line 69, in reindexObject
  Module Products.RedNotify.RedNotifyCatalogTool, line 135, in reindexObject
  Module Products.CMFCore.CatalogTool, line 262, in reindexObject
  Module Products.CMFCore.CatalogTool, line 235, in catalog_object
  Module Products.ZCatalog.ZCatalog, line 528, in catalog_object
  Module Products.ZCatalog.Catalog, line 381, in catalogObject
  Module Products.PluginIndexes.TextIndex.TextIndex, line 287, in index_object
  Module Products.ZehnderRequest.ZehnderRequest.ZehnderTicketBase, line 60, in SearchableText
  Module Products.ZehnderRequest.ZehnderRequest.ZehnderDb, line 1135, in getAllDbTextForTicket
  Module Products.ZehnderRequest.ZehnderRequest.ZehnderDb, line 239, in sql_query_first
  Module MySQLdb.cursors, line 95, in execute
  Module MySQLdb.cursors, line 114, in _execute
  Module MySQLdb.connections, line 33, in defaulterrorhandler
ProgrammingError: (2014, "Commands out of sync;  You can't run this command now")