I am trying to get my projects working with WO 3.4.3 (works with WO 3.3) but I keep getting the following exception.

Caused by: java.lang.IllegalArgumentException: Fetch specification cannot be null and cannot fetch raw rows at com .webobjects .eocontrol .EOSharedEditingContext .bindObjectsWithFetchSpecification(EOSharedEditingContext.java:390) at com .webobjects .eoaccess .EODatabaseContext ._preloadSharedObjectsWithModel(EODatabaseContext.java:1217) at com .webobjects .eoaccess .EODatabaseContext .registeredDatabaseContextForModel(EODatabaseContext.java:1012) at com .mpv .databaseconnections .MPVDatabaseConnectionManager .setupConnectionForModel(MPVDatabaseConnectionManager.java:168)
        ... 12 more

I tracked it down to a specific model that only has one fetch specification but I don't know what's wrong.

{
        FetchAll = {    
                class = EOFetchSpecification;
                entityName = DiagImagingFamily;
                fetchLimit = 0;
                prefetchingRelationshipKeyPaths = ();
                rawRowKeyPaths = ();
        };
}

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