- Plesk Onyx for Linux
Migration from cPanel could not be started if it is migrated by Hosting/Service Plan:
PLESK_ERROR: [ERROR] Failed to add new migration task Cause: 'list' object has no attribute 'iteritems' That is a critical error, migration was stopped. STDERR:
This has been reported as bug in the product with ID #PMT-4642, which will be fixed in future Plesk updates.
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As a workaround, migrate by subscription or customer/reseller, not by service plan.