Migration to 2.3.0


I have done a migration from 19.3.4 to 2.3.0 with no errors (on local machine)!! 100% settings and 100% data, !!

Before the migration I could start the frontend and the backend.

After the migration I ran these commands:

php bin/magento setup:upgrade
php bin/magento setup:di:compile
php bin/magento setup:static-content:deploy -f
php bin/magento indexer:reindex
php bin/magento cache:clean
php bin/magento cache:flush

When I start the frontend the default theme isnt loaded. When I inspect the page, there is nog theme.

<body data-container="body" data-mage-init="{&quot;loaderAjax&quot;: {}, &quot;loader&quot;: { &quot;icon&quot;: &quot;
http://www.devbox.com/magento2/pub/static/version1588755101/frontend/_view/nl_NL/images/loader-2.gif&quot;}}" class="cms-index-index page-layout-2columns-left"> </body>

How can I fix this?

When I start the admin in the backend, it gives this error:

“err_too_many_redirects”. Also after I cleaned and flushed.

Any ideas?