@Pashiamas I have set the error and now guidance the $vals variable (which you might want to rename to $urls or $selectedUrlList or a thing like that, because $vals won't seriously explain what It can be for). This case study highlights the key affect ERP production solutions might have https://stanfordcasestudysolution32488.blazingblog.com/37610052/the-ultimate-guide-to-online-case-solution