Campaign Builder don't save

Product Support
1

I installed Mautic on my own server and when I create a campaign and use the Campaign Builder, it does not save changes

2

I installed Mautic on my own server and when I create a campaign and use the Campaign Builder, it does not save changes

3

I’ve created a similar topic with more detail titled Campaign Builder can't Apply .

Hope others that stumble on this tread find this useful in future.