Fatal error: Unsupported operand types

Hi, danke für die schnelle Antwort. Anbei: Array ( [sShippingcostsWithTax] => 0 [sShippingcostsNet] => 0 [sShippingcostsTax] => Array ( [country] => 2 ) [sTaxRates] => Array ( ) [sShippingcosts] => 0 [sAmount] => Array ( [country] => 2 ) )