Topic on Extension talk:AutoSitemap

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If i add in:

$wgAutoSitemap["exclude_namespaces"] = [

    NS_MODULE

Then my site stop working.

It looks like there is no NS_MODULE global constant, so php cannot resolve its value and fails while reading settings file. Replace namespace name with its id, this is probably Extension default namespaces#820–829: Scribunto

Also read documentation how to investigate such errors: Manual:How to debug