When deploying ERM 4.0 with the required NodeJS dependency version 18, the RoutePlanner web app is inaccessible. User reverted NodeJS dependency to prior version 16 and was able to access the RoutePlanner web app.
This issue was not reproducible with the provided information and will not be addressed at this time. If the issue persists, contact Esri Support Services.
解决办法
Deploy ERM version 4.0, needed dependencies, and utilize NodeJS 16.x.