Does anybody know how to fix this? When running the index

PHP Fatal error: Cannot declare class Zend_Mail_Message

I already tried

  • Deletion of cache, redis, generated folder etc
  • Setup upgrade and compilation

Search of class returns only this

find . -type f -exec grep "class Zend_Mail_Message" '{}' \; -print

class Zend_Mail_Message_File extends Zend_Mail_Part_File implements Zend_Mail_Message_Interface

class Zend_Mail_Message extends Zend_Mail_Part implements Zend_Mail_Message_Interface


I updated these packages through composer

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