"ERROR: 0 Call to a member function getChannelsGroupedByTheme() on null #0 \/var\/www\/productionnew\/vendor\/unbound\/vidanethu-bundle\/Controller\/Base\/BaseController.php(53): Unbound\\Bundle\\VidanetHuBundle\\Controller\\ExportChannelAllocationForProductController-\u003Eexec()\n#1 \/var\/www\/productionnew\/vendor\/unbound\/vidanethu-bundle\/Controller\/ExportChannelAllocationForProductController.php(17): Unbound\\Bundle\\VidanetHuBundle\\Controller\\Base\\BaseController-\u003Eexecute(Object(Symfony\\Component\\HttpFoundation\\Request))\n#2 [internal function]: Unbound\\Bundle\\VidanetHuBundle\\Controller\\ExportChannelAllocationForProductController-\u003Eexecute(Object(Symfony\\Component\\HttpFoundation\\Request))\n#3 \/var\/www\/productionnew\/vendor\/symfony\/symfony\/src\/Symfony\/Component\/HttpKernel\/HttpKernel.php(153): call_user_func_array(Array, Array)\n#4 \/var\/www\/productionnew\/vendor\/symfony\/symfony\/src\/Symfony\/Component\/HttpKernel\/HttpKernel.php(68): Symfony\\Component\\HttpKernel\\HttpKernel-\u003EhandleRaw(Object(Symfony\\Component\\HttpFoundation\\Request), 1)\n#5 \/var\/www\/productionnew\/vendor\/symfony\/symfony\/src\/Symfony\/Component\/HttpKernel\/Kernel.php(169): Symfony\\Component\\HttpKernel\\HttpKernel-\u003Ehandle(Object(Symfony\\Component\\HttpFoundation\\Request), 1, true)\n#6 \/var\/www\/productionnew\/web\/app.php(25): Symfony\\Component\\HttpKernel\\Kernel-\u003Ehandle(Object(Symfony\\Component\\HttpFoundation\\Request))\n#7 {main}"