Hello,
Today I upgraded my ESPO to version 9.3.4, but after the upgrade, workflow emails stopped being sent. However, I can send test emails via SMTP. Can you help me?
[2026-04-21 13:13:03] CRITICAL: (0) Failed job 69e777be5d88f0a77. Class "Laminas\Mail\Message" not found :: /var/www/vhosts/***.com.tr/httpdocs/custom/Espo/Modules/Advanced/Tools/Workflow/SendEmailService.php(209)
Today I upgraded my ESPO to version 9.3.4, but after the upgrade, workflow emails stopped being sent. However, I can send test emails via SMTP. Can you help me?
| Advanced Pack | 3.4.1 |
[2026-04-21 13:13:03] CRITICAL: (0) Failed job 69e777be5d88f0a77. Class "Laminas\Mail\Message" not found :: /var/www/vhosts/***.com.tr/httpdocs/custom/Espo/Modules/Advanced/Tools/Workflow/SendEmailService.php(209)

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