How do you set Style Library = No in a vault project?

[feet_first]

We get drawing templates from different clients who want us to use their title blocks for drawings.  When we start  a new drawing we get a Styles Conflict dialog box telling us to edit the project and set Use Style Library = No (see attached)  When I try to edit the  Styles library in the vault project the options are greyed out,  I don't have any files open and neither does anyone else.  I am a vault admin.  How do I fix this problem?

[Andy.Spivey · Accepted solution]

Is the project file checked out to you when you are trying to edit it?  

[feet_first]

no  nothing is checked out.  other parts of the project can be edited

[Andy.Spivey]

If the project is editable, though not checked out, was the read-only flag removed manually from the file?

Is the project file in vault?

Can you submit a screen shot of what you are seeing when trying to edit the project file?