diff --git a/eshtek/errors.ts b/eshtek/errors.ts
index 7f937c3..85e1876 100644
--- a/eshtek/errors.ts
+++ b/eshtek/errors.ts
@@ -31,4 +31,6 @@ export enum GlobalErrorCode {
     PROCESS_INSTALL_SCRIPT_INVALID_QUESTION_RESPONSE_TYPE = 'PROCESS_INSTALL_SCRIPT_INVALID_QUESTION_RESPONSE_TYPE',
     RUN_INSTALL_SCRIPT_UNSUPPORTED_VERSION = 'RUN_INSTALL_SCRIPT_UNSUPPORTED_VERSION',
     DDP_CLIENT_DISCONNECTED = 'DDP_CLIENT_DISCONNECTED',
+    TASK_FAILED_STALE = "TASK_FAILED_STALE"
+
 }