Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /home/u903529658/domains/energysaver.com.ar/public_html/tienda/system/storage/modification/catalog/controller/product/category.php:175
Stack trace:
#0 /home/u903529658/domains/energysaver.com.ar/public_html/tienda/vqmod/vqcache/vq2-system_storage_modification_system_engine_action.php(44): ControllerProductCategory->index()
#1 /home/u903529658/domains/energysaver.com.ar/public_html/tienda/system/engine/front.php(34): Action->execute()
#2 /home/u903529658/domains/energysaver.com.ar/public_html/tienda/system/engine/front.php(29): Front->execute()
#3 /home/u903529658/domains/energysaver.com.ar/public_html/tienda/system/framework.php(99): Front->dispatch()
#4 /home/u903529658/domains/energysaver.com.ar/public_html/tienda/index.php(30): require_once('/home/u90352965...')
#5 {main}
  thrown in /home/u903529658/domains/energysaver.com.ar/public_html/tienda/system/storage/modification/catalog/controller/product/category.php on line 175