Extended libraries not being loaded on dev server - but are locally?!

[eluser]Unknown[/eluser]
I have a really bizarre situation where all my custom libraries I've written work perfectly locally, but aren't being recognised upon my development server. The libraries being used are the default CI ones. I've made no changes between the two versions, so its quite strange.

If it helps, I did also notice that the erkanaauth helper wasn't being loaded, until I renamed it with a lowercase 'e' (erkanaauth_helper.php).

My libraries are titled of the form MY_Pagination, MY_Upload etc....

Has anyone else experienced this and determined why it's happening?

[eluser]Tom Glover[/eluser]
dev and local server php versions? And error logs.

[eluser]Unknown[/eluser]
Aha! Found it myself - the class names might of been as I said but the files weren't and had lowercase 'y's. Thanks anyway...

[eluser]Unknown[/eluser]
[quote author="webtyrant" date="1209684972"]If it helps, I did also notice that the erkanaauth helper wasn't being loaded, until I renamed it with a lowercase 'e' (erkanaauth_helper.php).[/quote]

I had this same issue and switching the helper filename to start with a lowercase 'e' fixed it. Not sure why either.