corrupt index? (IMPORTANT)

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xerox

I'm getting an error in the CIFS interface. When I browse to a particular space,it gives an error that I don't have permission to browse to the space(even with the admin user).

Browsing with the web client doesn't give the error.

When I make a list (with freemarker) from the documents from that space I'm getting the following:

…
7 Node Type: {http://www.alfresco.org/model/content/1.0}content Node Ref: workspace://SpacesStore/c32c1fa3-7249-11dc-9c27-4fdaa22b58a3
8 Node no longer exists: workspace://SpacesStore/8d8dea39-759f-11dc-acf8-890a123817c6 
9 Node Type: {http://www.alfresco.org/model/content/1.0}content Node Ref: workspace://SpacesStore/3b2d3452-756f-11dc-acf8-890a123817c6 
10 Node Type: {http://www.alfresco.org/model/content/1.0}content Node Ref: workspace://SpacesStore/733916b5-75af-11dc-a90b-f9910763552d 
…
‍‍‍‍‍‍‍

So I think it's an index that is corrupt, and that the web-client catches this, but CIFS doesn't.

It's already the second time I'm facing this problem. Last time I've rebuild (FULL) the indexes. This worked fine, but was very time consuming.
Is there another way to fix the index, or this problem?
Why are the indexes getting corrupt?

Friendly regards,
Nick

xerox

*bump*