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D3 Integration, session expired
I am try to integrate a existing d3.js data visualization into a web based rapidminer app. Following the video Thomas Ott posted on the YouTube. In the process, set the data as JSON object and set it in the MACRO. In the app, the output format is HTML.
And then I get a strange error. It happens even when I was try to edit this app.
Your session expired. If you entered any data into the form, this data is lost.
You will be redirected to the start page in 5 seconds...
Can someone tell me what is the possible reason for get this problem in my case? or the general case for get this error?