unable to access network admin of a blog

I am unable to see it network admin link in a multisite blog. Can anyone tell me how to activate it again? I am logged in as super user. For the main blog I could see, I used to see the network admin link previously for any other blogs too if am logged in as super user but now I am unable to see. check the below images,

Before, I can see network for all sites if am logged in as super user

Now, I cannot see network admin link for any blogs

Topic network-admin multisite Wordpress

Category Web

1
answered at

The problem was that the username of the super admin was changed and this did not reflect in other blogs of the system. The below query solved my problem,

update wp_sitemeta set `meta_value` = 'a:1:{i:0;s:6:"adminusername";}' where `meta_key` = 'site_admins'

and

update wp_sitemeta set `meta_value` = '[email protected]' where `meta_key` = 'admin_email'

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