Wordpress error: Cannot write style-custom.css file

I upgraded to WordPress 3.8 and looking around I opened

“Apearance --> Customize”

and then hit


without making any changes.

Now my website is down and I can’t access wp-admin. When I try either I get;

{“success”:“-1”,“alert”:“Cannot write style-custom.css file, you may try setting the style-custom.css file permission to 755 or 777 to solved this. ( If file does not exists, you have to create it yourself )”}

I found that I have four themes listed in;


  1. bluediamond-v 1_05 (This is the only one that has the “style-custom.css” file
  2. twentyfourteen
  3. twentythirteen
  4. twentytwelve

I changed the existing “style-custom.css” file permissions to 755. I still can’t access wp-admin or the website - I continue to get the same alert.

Any help is very much appreciated

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Hello all,

I think this has been resolved as a whole in newer WordPress versions. Having said that, this issue can be resolved(temporarily) by changing the WordPress theme to the default one.

To do that, you can use the wp-cli tool. Wp-cli is a tool that helps you manage your WordPress installation. It allows you to create users, change their passwords, update themes, plugins, and many more.

Here is their official website from where you can install and configure wp-cli to run on your Droplet -

This comment has been deleted

I have the same problem as @manorris111. I have tried with permissions and creating new style-custom.css but nothing works., I cant access my web page or wordpress. Only by renaming or deleting my theme folder with winscp could help getting into wordpess but applying my theme again shows the same error. Can you help me please?