1 files changed, 12 insertions, 0 deletions
diff --git a/rtt-module.js b/rtt-module.js
index 6b13a98..e8f0cae 100755
--- a/rtt-module.js
+++ b/rtt-module.js
@@ -78,6 +78,11 @@ module.exports.fuzz = function(fuzzerInputData) {
         if (state.state === 'game_over') {
             break
         }
+
+        if (view.prompt && view.prompt.startsWith("Unknown state:")) {
+            log_crash(game_setup, state, view, step, active)
+            throw new UnknownStateError(view.prompt)
+        }
         
         if (!view.actions) {
             log_crash(game_setup, state, view, step, active)
@@ -156,6 +161,13 @@ class MaxStepsExceededError extends Error {
     }
 }
 
+class UnknownStateError extends Error {
+    constructor(message) {
+      super(message)
+      this.name = "UnknownStateError"
+    }
+}
+
 class NoMoreActionsError extends Error {
     constructor(message) {
       super(message)