Update v1EventProcessor.react_native.ts

Author: ozayr-zaviar

packages/optimizely-sdk/lib/modules/event_processor/v1/v1EventProcessor.react_native.ts

@@ -231,7 +231,7 @@ export class LogTierV1EventProcessor implements EventProcessor {
       await this.queue.stop()
       return this.requestTracker.onRequestsComplete()
     } catch (e) {
-      logger.error('Error stopping EventProcessor: "%s"', e.message, String(e))
+      logger.error('Error stopping EventProcessor: "%s"', Object(e).message, String(e))
     }
   }
 }