Debug

Social/VK/ServerToken.php

@@ -29,7 +29,7 @@ class ServerToken extends VKAPI {
 		$params["grant_type"]    = "client_credentials";
 		$params["v"]             = $this->Credentials->get_api_version();
 
-		$data = $this->query($this->oauth_url . "access_token?", $params);
+		$data = $this->query($this->oauth_url . "access_token", $params);
 		if (isset($data["access_token"])) {
 			$this->server_token = $data["access_token"];
 		} else {

Social/VK/VKAPI.php

@@ -51,8 +51,11 @@ class VKAPI {
 	protected function query($url, $params = []) {
 		$Client = new \X\Network\Http\Client($url);
 		$Client->set_model_data(["post" => $params]);
-		if ($data = $Client->exec()->json_decode()) {
+		$ClientResponse = $Client->exec();
+		if ($data = $ClientResponse->json_decode()) {
 			return $data;
+		} else {
+			return $ClientResponse->get_body();
 		}
 		return;
 	}