Error We keep getting...

[Calista]

call_user_func() expects first argument, 'Display', to be a valid callback


What causes this, please?
And better yet...how do I fix it? *g*

[Jerry]

do you have any mods installed?

[Calista]

I did not install any mods when I installed the board...so...no....

[[Unknown]]

Please upload Sources/Display.php again from a cleanly downloaded archive.

-[Unknown]