Update gather.js (#1526)

lib/tasks/gather.js

@@ -1424,7 +1424,26 @@ class TaskGather extends SttTask {
           returnedVerbs = await this.performAction({speech:evt, reason: 'stt-low-confidence', ...latencies});
         }
       }
-    } catch (err) {  /*already logged error*/ }
+    } catch (err) {
+      this.logger.info({err}, 'TaskGather:_resolve - error performing action');
+      this.notifyError({msg: 'invalid actionHook response', details: err.message});
+      const {writeAlerts, AlertType} = this.cs.srf.locals;
+      writeAlerts({
+        account_sid: this.cs.accountSid,
+        alert_type: AlertType.INVALID_APP_PAYLOAD,
+        target_sid: this.cs.callSid,
+        message: `actionHook returned invalid verb syntax: ${err.message}`
+      }).catch((err) => this.logger.info({err}, 'TaskGather:_resolve - error generating alert'));
+      try {
+        const obj = Object.assign({}, this.cs.callInfo.toJSON(), {
+          error: 'invalid actionHook response',
+          reason: err.message
+        });
+        await this.cs.notifier.request('call:status', this.cs.call_status_hook, obj);
+      } catch (statusErr) {
+        this.logger.info({statusErr}, 'TaskGather:_resolve - error sending statusHook');
+      }
+    }
 
     // Gather got response from hook, cancel actionHookDelay processing
     if (this.cs.actionHookDelayProcessor) {