This pr sets the AboutApp value only when the setting "setting.app_about" is set. When the setting is not set it uses an empty string instead.
This fixes the error "Argument 1 passed to League\CommonMark\Converter::convertToHtml() must be of the type string, null given".
This pr sets the AboutApp value only when the setting "setting.app_about" is set. When the setting is not set it uses an empty string instead. This fixes the error "Argument 1 passed to League\CommonMark\Converter::convertToHtml() must be of the type string, null given".
Steps to reproduce: