Need help with Twitter sidebar on my website


Hi everyone,

I’m not a developer but as my web developer won’t answer my calls I’m asking for your help. I have a Twitter link in the sidebar on my website which is supposed to update with the latest tweets but it isn’t working.

I have access to the code and know where to change it but don’t know what the actual code should be/if it’s wrong. The PHP file (in backend of WordPress) currently reads: