I cant access my nodered at this moment.Err:404 page not found

[Allan_Zimmermann]

explained here

How to start a nodered with your old workflows

With OpenFlow 1.5, Node-RED no longer has its own menu item. Instead, you can start a Node-RED instance from the Agent’s menu item. Here’s how: Click “Add Agent” Name: This is the name you will see while looking at the Agents tab. Slug: This is used for creating the URL to the Node-RED instance. Image: Select Node-RED from the list of available images. Plan: If you’re using the free tier, your Node-RED instance will be turned off after 8 hours. You can go to your customer page and purchase a q…