:art: Add exceptions in constructors

diff --git a/plug b/plug
index 46bf48244fb9290fb8af9fca79dab7fa8d3f2670..34038dec08cc7726b58433b9ed97e0788fae1384 160000 (submodule)
--- a/plug
+++ b/plug
@@ -1 +1 @@
-Subproject commit 46bf48244fb9290fb8af9fca79dab7fa8d3f2670
+Subproject commit 34038dec08cc7726b58433b9ed97e0788fae1384