bug-fix

How to fix «Element 'block', attribute 'class': [facet 'pattern'] The value '\Magento\Framework\View\Element\Template' is not accepted by the pattern `[A-Z][_a-zA-Z\d]*(\\[A-Z][_a-zA-Z\d]*)*`» after upgrading Magento to 2.2? [Upgrade] (6)
How to fix the Amasty's Extended Product Grid with Editor «PDO::quote() expects parameter 1 to be string, object given» / «Internal Server Error» bug in Magento 2.2? [Third-party extensions] (1)
How to fix the «Notice: Undefined index: 1.0000 in vendor/mirasvit/module-rewards/src/Rewards/Helper/Tier/Rule.php on line 65» bug in the Mirasvit's «Reward Points + Referral program»? [Third-party extensions] (3)
How to fix the «No such entity» error on a product save in Magento 2.2.6? [Issues] (2)
How to restore the frontend product gallery dimensions in a third-party design theme after upgrading Magento from 2.1.x to 2.2.x? [Upgrade] (3)
How to fix the Magento 2.2.4 / 2.2.5 product image magnifier issue? [Issues] (3)
How to fix transactional (order) emails sending in Magento 2.2.5? [Issues] (2)
MageBright «Assign Order to Customer»: How to fix the «Invalid Document» / «Element 'resource': The attribute 'title' is required but missing» failure in Magento 2.2? [Upgrade] (2)
OrangeHill Article: How to fix the «Invalid Document» / «Element 'resource': The attribute 'title' is required but missing» failure in Magento 2.2? [Upgrade] (3)
How to fix the «Character content other than whitespace is not allowed» XML DOM error? [Issues] (1)
How to break an infinite isVirtual() recursion while upgrading Magento from 2.1.x to 2.2.x? [Upgrade] (1)
How to break an infinite getWeight() recursion while upgrading Magento from 2.1.x to 2.2.x? [Upgrade] (1)
How to break an infinite getSku() recursion while upgrading Magento from 2.1.x to 2.2.x? [Upgrade] (1)
How to fix the «Unable to unserialize value» failure while upgrading Magento from 2.1.x to 2.2.x? [Upgrade] (1)
How to fix the Magento 2.2.x image URLs bug in Windows? [Issues] (2)
How to fix the «Unable to write file into directory: Access forbidden» bug in Windows? [Issues] (3)
How to fix the «failed to open stream: Invalid argument in vendor/magento/framework/Image/Adapter/Gd2.php» Magento 2.2 bug in Windows? [Issues] (2)
«Can't create directory generated/code/Magento/Framework/App/ResourceConnection/.» in Windows [Issues] (5)
[PHP 7.2] My fix for «Warning: sizeof(): Parameter must be an array or an object that implements Countable in app/code/Magento/Sales/view/adminhtml/templates/order/totalbar.phtml on line 10» [Issues] (2)
«1062 Duplicate entry '3-' for key 'CATALOG_CATEGORY_PRODUCT_ATTRIBUTE_SET_ID_ATTRIBUTE_GROUP_CODE', query was: ALTER TABLE `eav_attribute_group` MODIFY COLUMN `attribute_group_code` varchar(255) NOT NULL COMMENT "Attribute Group Code"» in Magento 2.3 [Issues] (4)
How to repair the code compilation which fails without any messages? [Third-party extensions] (2)
How to fix «Unable to process binding "blockLoader: function (){return isLoading }"»? [Third-party extensions] (2)
How to fix «Cannot read property 'fn' of undefined» in Thelist/westyle/en_US/js/owlcarousel/owl.carousel.min.js? [Third-party extensions] (2)
How to fix «TheList\Contactusemail\Controller\Index\Contactusemail» / «Extra parameters passed to parent construct»? [Third-party extensions] (2)
How to fix the «Undefined offset: 1 in vendor/magento/framework/App/Utility/Files.php on line 748» failure on a `js-translation.json` HTTP request? [Third-party extensions] (3)
How to fix «Element 'item': This element is not expected» after upgrading Magento to 2.2? [Upgrade] (2)
How to fix «Element 'link', attribute 'href': The attribute 'href' is not allowed» / «The attribute 'src' is required but missing» after upgrading Magento to 2.2? [Upgrade] (2)
How to fix the «Class MagePal\GmailSmtpApp\Model\Transport contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Magento\Framework\Mail\TransportInterface::getMessage)» Magento 2.2 issue? [Third-party extensions] (2)
[aheadWorks Gift Card] How to fix the «Element 'remove': This element is not expected. Expected is one of ( attribute, block, referenceBlock, referenceContainer, container, move, uiComponent ).»? [Third-party extensions] (2)
How to fix the «Array to string conversion in Magento/Framework/DB/Adapter/Pdo/Mysql.php on line 2929» failure on a shipping address saving on the frontend checkoput page in Magento 2.1.x? [Issues] (1)