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(2/2) LocalizationException

Invalid $number parameter: "15?q=Prix" cannot be interpreted as a number

in Formatter.php line 108
at Formatter->format('15?q=Prix', object(Price))in Locale.php line 154
at Locale->formatPrice('15?q=Prix', 'EUR')in SearchProvider.php line 377
at SearchProvider->labelRangeFilters(array(object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet)))in SearchProvider.php line 187
at SearchProvider->runQuery(object(Context), object(ProductSearchQuery))in ProductListingFrontController.php line 311
at ProductListingFrontControllerCore->getProductSearchVariables()in ProductListingFrontController.php line 589
at ProductListingFrontControllerCore->doProductSearch('catalog/listing/category', array('entity' => 'category', 'id' => 2))in CategoryController.php line 148
at CategoryControllerCore->initContent()in Controller.php line 306
at ControllerCore->run()in Dispatcher.php line 518
at DispatcherCore->dispatch()in index.php line 28

(1/2) InvalidArgumentException

"15?q=Prix" cannot be interpreted as a number

in Builder.php line 40
at Builder::parseNumber('15?q=Prix')in DecimalNumber.php line 73
at DecimalNumber->__construct('15?q=Prix')in Formatter.php line 147
at Formatter->prepareNumber('15?q=Prix')in Formatter.php line 106
at Formatter->format('15?q=Prix', object(Price))in Locale.php line 154
at Locale->formatPrice('15?q=Prix', 'EUR')in SearchProvider.php line 377
at SearchProvider->labelRangeFilters(array(object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet), object(Facet)))in SearchProvider.php line 187
at SearchProvider->runQuery(object(Context), object(ProductSearchQuery))in ProductListingFrontController.php line 311
at ProductListingFrontControllerCore->getProductSearchVariables()in ProductListingFrontController.php line 589
at ProductListingFrontControllerCore->doProductSearch('catalog/listing/category', array('entity' => 'category', 'id' => 2))in CategoryController.php line 148
at CategoryControllerCore->initContent()in Controller.php line 306
at ControllerCore->run()in Dispatcher.php line 518
at DispatcherCore->dispatch()in index.php line 28