# Update 4.2.1 nicht möglich - Fehler bei Datenbank Migration

**URL:** <https://forum.shopware.com/t/update-4-2-1-nicht-moglich-fehler-bei-datenbank-migration/18372>\
**Category:** Shopware 3.5\
**Tags:** installation--gettin\
**Created:** [11. Februar 2014 um 18:03 UTC](https://forum.shopware.com/t/update-4-2-1-nicht-moglich-fehler-bei-datenbank-migration/18372 "2014-02-11T18:03:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jox](https://avatars.discourse-cdn.com/v4/letter/j/c2a13f/32.png) [@jox](https://forum.shopware.com/u/jox)\
**Post date:** [11. Februar 2014 um 18:03 UTC](https://forum.shopware.com/t/update-4-2-1-nicht-moglich-fehler-bei-datenbank-migration/18372/1 "2014-02-11T18:03:31Z")

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Ich bekomme beim Update von 4.2 auf 4.2.1 folgende Fehlermeldung: [quote]Error Received the following error message: Could not apply migration: SQLSTATE[21000]: Cardinality violation: 1242 Subquery returns more than 1 row Please try to fix this error and restart the update. Response {„success“:false,„deltaFile“:"/www/htdocs/xxxxxxxx/xxxxxxxx/update/assets/migrations/225-fix-emotion-required-fields.php",„deltaVersion“:225,„deltaLabel“:„fix-emotion-required-fields“,„errorMsg“:„Could not apply migration: SQLSTATE[21000]: Cardinality violation: 1242 Subquery returns more than 1 row“}[/quote] Bitte um Abhilfe!