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@baris How to solve problems with mmmagic?

root@xen:/var/www# ./nodebb upgrade
1. Bringing base dependencies up to date... OK
2. Updating NodeBB data store schema.
module.js:355
  Module._extensions[extension](this, filename);
                               ^

Error: Module did not self-register.
at Error (native)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object.<anonymous> (/var/www/node_modules/mmmagic/lib/index.js:3:13)
at Module._compile (module.js:434:26)
at Object.Module._extensions..js (module.js:452:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)

Error: undefined

In one of the updates you have disabled the show teaser parent.
Is there a quick way to make a teaser parents show up?

https://github.com/NodeBB/NodeBB/commit/53d29e29af8f5347145fdd2c51c028e76f10334d#diff-3437ad57a41437b7f3a111876b961c96

@Danny-McWilliams I ran into this problem when trying to drag and drop categories out from here:

After that category duplicated.

If you assign a parent through category management then no such problem.

I set the home page of a category. When you go to a homepage site address bar displayed in the URL for category. How do I get the address of this category is displayed as the (site) without /category/23/support.

In any case, it would be interesting to see what you come up before making any conclusions.

Someone is already using it?
https://letsencrypt.org/

I received a email 'Let's Encrypt Closed Beta Invite'
But I do not understand how to install it.