Warning message footer links without change

i use your Theme Retro Press Free and it work fine some time ( 4 months ).

Now it do not work correct cause there´s a message at the footer:

Please return following links to the footer:
Designed by wp news themes, thanks to: Free WordPress Themes, Fthe.me and accesorii femei

I haven´t change anything in the template, haven´t remove the links in the bottom.php but this message comes and block all functions of the template.

What i have to do now ?

Must i buy the template to remove the warning message ?

i try to deactivate and activate the template but no success.

Hi!
Please, contact us via support@smthemes.com