error my entire forum stopped working

[cinnamon]

i ftp'd original global.php into forum root and then a new msg error comes:

atal error: Call to undefined function: print_portal_output() in /home/myinner/public_html/cmps_index.php on line 35

the forum come up now, but admin control panel does not
and the file to cmps_index.php does not.

i have it back up now. thanks andrew for your help.
i had mistake to put global.php from admincp into root
and after downloading fresh global.php back to root
i needed to change the modification per vbadvanced for the global.php file.
i also had to put in fresh copy of global.php into admincp.