hi! after reloading my own products through the zmi it seems like some classes and methods gets undefined. please see the following traceback: ... Module Python expression "here.zuml_parseAndCheckinModel(newConfigDict)", line 1, in <expression> Module Products.IDE.IDEContainer, line 176, in zuml_parseAndCheckinModel Module Products.Relateable.MetaManager, line 474, in recreateIndexes Module None, line 104, in addSubClassCatalogMethod TypeError: 'NoneType' object is not callable the code @ line 104 is: o = SubClassCatalog(id, searchKeys, subClassNames) SubClassCatalog is defined in /Products/SubClassCatalog/SubClassCatalog.py, after I refresh the Product "SubCLassCatalog", i get the error mentioned above. restarting Zope fixes the Problem, MetaManager::recreatedIndexes() will work repeatedly until i refresh one or more Products... did i miss something while importing stuff? /Products/relateable/MetaManager.py imports the constructor for a SubClassCatalog like this: from Products.SubClassCatalog.SubClassCatalog import addSubClassCatalogMethod i'm pretty puzzled at this point, hope someone got a hint... regards, juergen herrmann ps: this does not only happen to my SubClassCatalog, this also hits f.ex. "from random import randint" where randint gets undefined.