diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..cad7657
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "cmake.configureOnOpen": false
+}
\ No newline at end of file
diff --git a/docs/docs.md b/docs/docs.md
index 6df00a3..132bd78 100644
--- a/docs/docs.md
+++ b/docs/docs.md
@@ -569,6 +569,7 @@ post on the meshtastic.discourse.group and we'll try to help.
 | UBloxInitFailed | 5 | We failed while configuring a UBlox GPS |
 | NoAXP192 | 6 | This board was expected to have a power management chip and it is missing or broken |
 | InvalidRadioSetting | 7 | The channel tried to set a radio setting which is not supported by this chipset, radio comms settings are now undefined. |
+| TransmitFailed | 8 | Radio transmit hardware failure. We sent data to the radio chip, but it didn't reply with an interrupt. |
 
 
 
diff --git a/mesh.proto b/mesh.proto
index 6a0fc27..68a05c2 100644
--- a/mesh.proto
+++ b/mesh.proto
@@ -958,6 +958,11 @@ enum CriticalErrorCode {
    * radio comms settings are now undefined.
    */
   InvalidRadioSetting = 7;
+
+  // Radio transmit hardware failure. We sent data to the radio chip, but it didn't
+  // reply with an interrupt.
+  TransmitFailed = 8;
+
 }
 
 /*