better error message on setup problems (#427)

Co-authored-by: Markus Staab <m.staab@complex-it.de>

Author: staabm

src/QueryReflection/QueryReflection.php

@@ -352,7 +352,7 @@ private function replaceParameters(string $queryString, array $parameters): stri
     private static function reflector(): QueryReflector
     {
         if (null === self::$reflector) {
-            throw new DbaException('Reflector not initialized, call '.__CLASS__.'::setupReflector() first');
+            throw new DbaException('Reflector not initialized. Make sure a phpstan bootstrap file is configured which calls '.__CLASS__.'::setupReflector().');
         }
 
         return self::$reflector;
@@ -361,7 +361,7 @@ private static function reflector(): QueryReflector
     public static function getRuntimeConfiguration(): RuntimeConfiguration
     {
         if (null === self::$runtimeConfiguration) {
-            throw new DbaException('Runtime configuration not initialized, call '.__CLASS__.'::setupReflector() first');
+            throw new DbaException('Runtime configuration not initialized. Make sure a phpstan bootstrap file is configured which calls '.__CLASS__.'::setupReflector().');
         }
 
         return self::$runtimeConfiguration;