diff --git a/lstMobile/src/lib/tcpScan.ts b/lstMobile/src/lib/tcpScan.ts
index cb86ab9..8727059 100644
--- a/lstMobile/src/lib/tcpScan.ts
+++ b/lstMobile/src/lib/tcpScan.ts
@@ -35,6 +35,8 @@ const ERROR_KEYWORDS = [
 	"delivered",
 	"blocked",
 	"not possible",
+	"forbidden",
+	"loading not",
 ];
 
 // function parseErpResponse(buffer: Buffer) {