error on wiki page

This seems to be a valid URL but I'm getting an error whenever I try to access it - anything look suspicious on your side?

https://wiki.postgresql.org/wiki/Replication,_Clustering,_and_Connection_Pooling

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MediaWiki internal error.

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information.

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