page broken edit product

[Everton]

Magento 1.8.1

Installed patch supee-8788- version 1.8.1

Known issues is Edit product page is broken in backend

Edit product page is broken at Catalog > Manage Products > Edit product page  or

Catalog>Manage product>new product

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Imagens

Fatal error: Call to undefined function lcfirst() in /home/hg2ec782/public_html/ambienteteste/loja/app/code/core/Mage/Uploader/Model/Config/Abstract.php on line 50