- Added some more info on a bad connection error

src/ConnectionAdapter.php

@@ -27,6 +27,10 @@ class ConnectionAdapter
         $connection = $this->configuration['connections'][$this->name] ?? [];
 
         if ( false !== ( $adapterName = $connection['adapter'] ?? false ) ) {
+            if (is_array($adapterName)) {
+                throw new \InvalidArgumentException(sprintf("Given adapter (%s) name is an array, not a string.. received : %s.", $this->name, json_encode($adapterName)));
+            }
+
             $this->adapter = $this->instanciateAdapter($adapterName);
         }
         else {