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AttributeError: NoneType object has no attribute

6 bytes added, 09:25, 24 January 2012
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The error "AttributeError: 'NoneType' object has no attribute..." probably means that you attempted to retrieve an object (such as a person, or family) by using its internal handle, but the database can't find it. Likely, the object is still there, but the internal database references have gotten corrupted.
To fix, first, '''make a Gramps XML backup'''.
Then, you need to run the menu -> Tools -> Family Tree Repair and run the tools:

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