Solved: Undefined Index: DirectiveName in SimpleDirective.php in Magento 2

Is your Magento 2 store not working as expected when an email should be set off? Indeed, this can be a direct result of a custom email layout. Follow me till the finish of this post to track down the arrangement. 🎯

In Magento 2, different email notices are shipped off the clients and administrators for different exercises. The vendors can redo the email layouts as per their necessities. In some cases these custom email layouts can make similarity issues after Magento overhauls. As of late, I experienced one such issue in our client's Magento store, which was newly moved up to Magento 2.3.4.

Magento was tossing blunder 500 when the messages should be sent through custom formats, for example new client enrollment, reset client secret word, request achievement, and so on.

The blunder log showed: "Unclear File: DirectiveName in vendor\magento\framework\Filter\DirectiveProcessor\Simple Directive.php in Magento 2".

This is a result of the limitations on the utilization of custom factors in Magento 2.3.4 (Adobe Business). It very well may be effortlessly tackled by following the custom email format relocation guide delivered by Magento.

How about  Magento 2 Undefined Index: DirectiveName in SimpleDirective.php.

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