Access Denied when attempting to create a new page

When attempting to create a page by clicking Site Actions Create Page, the user immediatly receives an Access Denied. This occurs even if the user is a member of the Site Owners group with Full Control.

ERROR MESSAGE: Access Denied

CAUSE:
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The access denied was a result of the user not being a part of the Style Resource Readers group. According to technet, this group allows a user to read the Master Page Gallery and Restricted Read the Style Library. By default, this group contains only the NT AUTHORITY\Authenticated Users group. This will allow all users who have authenticated to the site to read the Master Page gallery and Style Library.

RESOLUTION:
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1) Open the site you are having issues with
2) Click Site Actions Site Settings
3) In the Users and Permissions section, click People and Groups
4) Click Groups
5) Click Style Resource Readers
6) Click New Add User
7) In the Add Users section, click the Add all authenticated users link
8) Click OK

I hope the above information will helps you to resolve this issue !! Thanks !!