Multisite: Can't Post or Create Categories

I created a multisite with two sub-sites. This is the structure:

example - root

----- > example/site2

----- > example/site3

Everything works fine, except for posting on the root node/domain. I am unable to publish a post. When I try, I get an error message

"Sorry, you are not allowed to edit this post."

I also cannot create categories. Trying to create one results in the following error:

Could not insert term into the database.

The root site doesn't even have Uncategorised as a category.

I'm a Super Admin with privileged access to all the sites, including the root site. What am I missing here?

I created a multisite with two sub-sites. This is the structure:

example.com - root

----- > example.com/site2

----- > example.com/site3

Everything works fine, except for posting on the root node/domain. I am unable to publish a post. When I try, I get an error message

"Sorry, you are not allowed to edit this post."

I also cannot create categories. Trying to create one results in the following error:

Could not insert term into the database.

The root site doesn't even have Uncategorised as a category.

I'm a Super Admin with privileged access to all the sites, including the root site. What am I missing here?

• posts
• multisite
• subdomains

Share Improve this question edited Aug 28, 2017 at 20:29 Johansson 15.4k1111 gold badges4343 silver badges7979 bronze badges asked Aug 28, 2017 at 18:23 wiredfordesignwiredfordesign 2366 bronze badges 2

• How did you create your multisite install? Have you conducted the process of elimination debugging routine to see if a plugin or theme is responsible? – Tom J Nowell ♦ Commented Aug 28, 2017 at 20:40
• @TomJNowell I installed manually by FTP. I didn't come across any problems during install. Yeah, could be a plugin. I can't think of anything else. – wiredfordesign Commented Aug 28, 2017 at 21:26

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Check out if you have proper user roles set for your user account in each site. To do so, open wp-admin/network, open Sites, and when you click Edit for each site, you can see users assigned and roles. There you can add your user to sites.