Argument 1 error when migrating site

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Hey I am getting this one error when loading my page and i can't for the life of me figure out why my database is not functioning correctly. i have updated my database file with the new database and credentials and still i get this error.

Argument 1 passed to Concrete\Core\Database\Driver\DriverManager::configExtensions() must be of the type array, null given, called in /home/lc745q8ot9jq/public_html/concrete/src/Database/DatabaseServiceProvider.php on line 23 and defined

I am new to Concrete5 but not new to screwing things up.

 
JohntheFish replied on at Permalink Reply
JohntheFish
Sometimes such errors after updating disappear when you clear the cache.
Tdavis42 replied on at Permalink Reply
Actually ended up solving with a very simple and obvious change.

I wasn't changing the localhost.database file to point to the new database and credentials.