The duplicate database probably was due to failed previous imports. Similar case here:
Are you able to pull a site now from Kinsta?
Upon reviewing the main logs, these are the two entries that seem to stand out.
[2025-11-11 15:28:58.870] [error] Error - DK0056: PORT_SELECTOR_UPDATE_SITE_URLS_ERROR: url
[2025-11-11 15:33:49.441] [error] [ipcMainStep] Error in operation SITE_CREATION, step database: Error: Error (1): VERROR 1007 (HY000) at line 1: Can't create database '*redacted*'; database exists