BTW, the error message after the update is:
Internal Error MessageNotUnderstood: UndefinedObject>>maRead:bytesFromPosition:of:atFilePosition:
MaObjectFiler>>uint:at: MaObjectFiler>>primitiveAttributeAt: MaObjectFiler>>version MaObjectRepository>>validateVersion [] in MaObjectRepository>>open: {[self validateVersion]} BlockContext>>ifCurtailed: MaObjectRepository>>open: MaObjectRepository class>>open:controller: MagmaRepositoryController>>privateOpen: [] in MagmaRepositoryController>>open {[self privateOpen: directory]} BlockContext>>on:do: MagmaRepositoryController>>open MagmaRepositoryController>>open: MagmaRepositoryController class>>open: MagmaRepositoryController class>>openedOn: MagmaSession class>>openLocal: [] in MagmaLocalLocation>>newSession {[sessionClass openLocal: fullPath]} Set(Collection)>>maDetect:ifFound:ifNone: MagmaLocalLocation>>newSession Q2MagmaSessionPool>>newSession