Generate CSS Error & Theme Options Not Changing

1. Are you clear your browser cache?
2. Please check the cache server, if so please delete it. (You can contact the hosting provider to get the help).
3. What version php do you using? If lower 5.4, please update to 5.4 or greater.
4. Check your folder theme has permission create/write file? if not, please set permission for it.
5. PLEASE SET VALUE FOR VARIABLES BELOW IN PHP.INI/.htaccess or some where(ask your hosting provider):
– upload_max_filesize=32M  => only use for Grove theme(version 1.0.0 – 1.0.3)
– max_input_vars = 3000
– memory_limit = 128M
– max_execution_time=300
– max_input_time=300

If you did all but still error, please create topic and give me your account website and account ftp to check.
Thanks for your time.