app/code/local/Mygento/Yandexdelivery/Block/Version.php
The class Mygento_Yandexdelivery_Block_Version is not named in CamelCase. Open
Open
class Mygento_Yandexdelivery_Block_Version extends Mage_Adminhtml_Block_Abstract implements Varien_Data_Form_Element_Renderer_Interface
{
/**
*
- Read upRead up
- Exclude checks
CamelCaseClassName
Since: 0.2
It is considered best practice to use the CamelCase notation to name classes.
Example
class class_name {
}