Help fixing error on VPS

I have a backup script that worked on my former web host, but now it is not working and here is the error that I am getting: PHP Warning: set_time_limit(): Cannot set time limit in safe mode in /pathtofile/[login to view URL] on line 136 PHP Warning: mkdir(): SAFE MODE Restriction in effect. The script whose uid is 500 is not allowed to access /tmp owned by uid 0 in /pathtofile/[login to view URL] on line 160 PHP Notice: Undefined index: f_log in /pathtofile/[login to view URL] on line 86 PHP Notice: Undefined index: f_err in /pathtofile/[login to view URL] on line 86 Would like to work with someone who can help me troubleshoot and resolve this error, so that my backups will work once again I can point you to several resources that I have looked at to help you in your quest. Are couple are located below: [login to view URL] [login to view URL] Looking forward to working with you!