Illegal scheme supplied, only alphanumeric characters are permitted

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Illegal scheme supplied, only alphanumeric characters are permitted

Trace:
#0 D:\wamp\mm\chris\magento-1.6.1.0\magento\app\cocle\core\I’Iage\Core\I’Iocle1\Store.php(712): Zend_Uri: :factory( ‘ {{base_ur1}} ‘)
#1 D: \wamp\mm\ chris\magento-1. 6. 1. 0\magento\app\code\core\Mage\Core\Contro11er\Varien\ Front.php (313) : Mage_Core_I’Iode1_Store->is(
#2 D: \wamp\mm\ chris\magento-1. 6. 1. 0\magento\app\code\core\Mage\Core\Contro11er\Varien\ Front.php (161) : Mage_Core_Contro11er_Varie
#3 D: \wamp\mm\ chris\magento-1. 6. 1. 0\magento\app\code\core\Mage\Core\Mode1\App.php (349) : Mage_Core_Contro11er_Varien_Front->disps
#4 D: \wam1J\mm\ chris\magento-1. 6. 1. O\magento\app\Mage.php (640) : I’Iage_Core_I’Iode1_App->run(Array)
#5 D:\wam1J\mm\chris\magento-1.6.1.0\magento\index.php(80): Hage::run(‘ ‘, ‘store’)
#6 {main}