diff --git a/app/main/lib/ccpclient.php b/app/main/lib/ccpclient.php
index f93f43ae..24581480 100644
--- a/app/main/lib/ccpclient.php
+++ b/app/main/lib/ccpclient.php
@@ -8,7 +8,8 @@
 
 namespace Lib;
 
-use \Exodus4D\ESI\ESI;
+use controller\LogController;
+use \Exodus4D\ESI\ESI as ApiClient;
 
 class CcpClient extends \Prefab {
 
@@ -17,14 +18,27 @@ class CcpClient extends \Prefab {
     public function __construct(){
         $f3 = \Base::instance();
 
-        $this->apiClient =  new ESI($f3);
-        $this->apiClient->setEsiUrl( Config::getEnvironmentData('CCP_ESI_URL') );
-        $this->apiClient->setEsiDatasource( Config::getEnvironmentData('CCP_ESI_DATASOURCE') );
-        $this->apiClient->setUserAgent($this->getUserAgent($f3));
+        $this->apiClient = $this->getClient($f3);
 
         $f3->set('ccpClient', $this);
     }
 
+
+    protected function getClient($f3){
+        $client = null;
+
+        if( !class_exists(ApiClient::class) ){
+            LogController::getLogger('ERROR')->write($this->getMissingClientError());
+        }else{
+            $client = new ApiClient($f3);
+            $client->setUrl( Config::getEnvironmentData('CCP_ESI_URL') );
+            $client->setDatasource( Config::getEnvironmentData('CCP_ESI_DATASOURCE') );
+            $client->setUserAgent($this->getUserAgent($f3));
+        }
+
+        return $client;
+    }
+
     /**
      * @param  \Base $f3
      * @return string
@@ -39,7 +53,44 @@ class CcpClient extends \Prefab {
         return $userAgent;
     }
 
+    /**
+     * get error msg for failed ApiClient() class -> Composer package not found
+     * @return string
+     */
+    protected function getMissingClientError(){
+        return "Class '" . ApiClient::class . "' not found. -> Check installed Composer packages.'";
+    }
+
+    /**
+     * get error msg for undefined method in ApiClient() class
+     * @param $method
+     * @return string
+     */
+    protected function getMissingMethodError($method){
+        return "Method '" . $method . "()' not found in class '"  . get_class($this->apiClient) . "'. -> Check installed Composer package version.'";
+    }
+
+    /**
+     * call request API data
+     * @param $name
+     * @param $arguments
+     * @return array|mixed
+     */
     public function __call($name, $arguments){
-        return call_user_func_array([$this->apiClient, $name], $arguments);
+        $return = [];
+
+        if(is_object($this->apiClient)){
+            if( method_exists($this->apiClient, $name) ){
+                $return  = call_user_func_array([$this->apiClient, $name], $arguments);
+            }else{
+                LogController::getLogger('ERROR')->write($this->getMissingMethodError($name));
+                \Base::instance()->error(501, $this->getMissingMethodError($name));
+            }
+        }else{
+            LogController::getLogger('ERROR')->write($this->getMissingClientError());
+            \Base::instance()->error(501, $this->getMissingClientError());
+        }
+
+        return $return;
     }
 }
\ No newline at end of file