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I've updated two installations from 2.2.6 to 2.3.0 without any problems, but next one makes some trouble.

  • PHP 7.1.23
  • 2.2.6 with plain sample data (no edits made in backend here)

Steps:

  • removed sample data from composer.json
  • updated to 2.3
  • bin/magento sampledata:deploy
  • bin/magento setup:upgrade

Quitted with ...

...
Module 'Magento_CatalogSampleData':
Rolled back transaction has not been completed correctly

systeml.xml

main.ERROR: Sample Data error: Unique constraint violation found [] []

When i remove the sample-data setup:upgrade works ... Any ideas?

Edit:

No4, same steps, worked w/o problem ...

1

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