VOL-4473: Fix for incorrect/cryptic MIB Upload Next response decode failure error message

Change-Id: Idb3570909963b8e8e73570ca01a456e390adf0f2
diff --git a/generated/attribute.go b/generated/attribute.go
index de20130..4956e89 100644
--- a/generated/attribute.go
+++ b/generated/attribute.go
@@ -377,7 +377,8 @@
 	// either Read and/or Write, never Set-by-Create
 	switch msgType {
 	default:
-		return nil, fmt.Errorf("unsupported Message Type '%v' for table serialization", msgType)
+		return nil, fmt.Errorf("unsupported Message Type '%v/0x%02x' for table decode",
+			MsgType(msgType&MsgTypeMask), msgType)
 
 	case byte(Get) | AK: // Get Response
 		// Size
@@ -434,7 +435,8 @@
 	// either Read and/or Write, never Set-by-Create
 	switch msgType {
 	default:
-		return 0, fmt.Errorf("unsupported Message Type '%v' for table serialization", msgType)
+		return 0, fmt.Errorf("unsupported Message Type '%v/0x%02x' for table serialization",
+			MsgType(msgType&MsgTypeMask), msgType)
 
 	case byte(Get) | AK: // Get Response
 		// Size
diff --git a/generated/medef.go b/generated/medef.go
index 6d2c2dd..4b2061a 100644
--- a/generated/medef.go
+++ b/generated/medef.go
@@ -117,7 +117,8 @@
 			if attrDef.IsTableAttribute() {
 				switch msgType {
 				default:
-					return nil, fmt.Errorf("unsupported Message Type '%v' for table serialization", msgType)
+					return nil, fmt.Errorf("unsupported Message Type '%v/0x%02x' for table decode",
+						MsgType(msgType&MsgTypeMask), msgType)
 
 				case byte(Get) | AK: // Get Response
 					attrMap[name] = value