Erweiterte Preise per Rest API

Fehlermeldung: 

 [code] =\> 0 [status] =\> 500 [title] =\> Internal Server Error [detail] =\> Cannot unset string offsets [file] =\> /var/www/html/vendor/shopware/core/Framework/DataAbstractionLayer/FieldSerializer/PriceFieldSerializer.php [line] =\> 48

 

Mein Post sieht folgendermaßen aus:

 

 [action] =\> upsert [entity] =\> product [payload] =\> Array ( [0] =\> stdClass Object ( [categories] =\> Array ( [0] =\> stdClass Object ( [id] =\> f2c4740c5f3c44d9b7c61d22ad391802 ) ) [productNumber] =\> Artikelnr [id] =\> 74f098bb72c24f58aafaa651fe134e09 [description] =\> Testdescription [keywords] =\> [name] =\> abcdefg [stock] =\> 0 [taxId] =\> 39e11bdb0d1f4305b7a890fd4cf08579 [price] =\> Array ( [0] =\> stdClass Object ( [currencyId] =\> b7d2554b0ce847cd82f3ac9bd1c0dfca [gross] =\> xxx [net] =\> yyy [linked] =\> 1 [listPrice] =\> stdClass Object ( [currencyId] =\> b7d2554b0ce847cd82f3ac9bd1c0dfca [gross] =\> aaa [net] =\> bbb [linked] =\> 1 ) ) ) [prices] =\> Array ( [0] =\> stdClass Object ( [quantityStart] =\> 1 [ruleId] =\> 403bd142ac0b49fd9f6f60bbeeb6b126 [price] =\> stdClass Object ( [currencyId] =\> b7d2554b0ce847cd82f3ac9bd1c0dfca [gross] =\> 609.75 [net] =\> 512.39 [linked] =\> 1 ) ) ) ) )