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500 error on checkout after payment is successful in Magento 2.3.3 – how to add multiple emails with comma in Magento?

  • While auditing the code we found the below error code was generated in the system log :

Above Error throwing due to adding comma separated email in Sales Emails > Order > order copy

check the below screenshot for reference:

  • Please follow the below steps to get resolved error:   

    It has the issue with the file which has below path


Please override the above file by

Replacing this Function :

With :

That’s It! Now you can add multiple emails with comma-separated.

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