403 No permission - index.php/setup/language

Hi,
I am trying to install Invoice Plane in subfolder ‘invoice’ but i am stuck during the install after ‘Choose a language to continue the installation.’ which is English. In the console it is giving me a:403 Forbidden.

Any ideas?

Summary

https://www.studiodaniel.nl/invoice/index.php/setup/language

<IfModule mod_rewrite.c>

  RewriteEngine On
  RewriteBase /invoice
  RewriteRule ^index\.php$ - [L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteRule . /index.php [L]
  
  ## Remove the hash in front of the following two lines if you want to force HTTPS
  #RewriteCond %{HTTPS} off
  #RewriteRule ^(.*)$ https://%{HTTP_HOST}/$1 [R=301,L]
  
</IfModule>

Log

DEBUG - 2017-09-11 15:57:11 --> UTF-8 Support Enabled
DEBUG - 2017-09-11 15:57:11 --> Global POST, GET and COOKIE data sanitized
DEBUG - 2017-09-11 15:57:11 --> Setup MX_Controller Initialized
DEBUG - 2017-09-11 15:57:11 --> File loaded: /home/u9236p8546/domains/studiodaniel.nl/public_html/invoice/application/modules/setup/models/Mdl_setup.php
DEBUG - 2017-09-11 15:57:11 --> File loaded: /home/u9236p8546/domains/studiodaniel.nl/public_html/invoice/application/controllers/…/modules/layout/controllers/Layout.php
DEBUG - 2017-09-11 15:57:11 --> Layout MX_Controller Initialized
DEBUG - 2017-09-11 15:57:11 --> File loaded: /home/u9236p8546/domains/studiodaniel.nl/public_html/invoice/application/modules/setup/views/language.php
DEBUG - 2017-09-11 15:57:11 --> File loaded: /home/u9236p8546/domains/studiodaniel.nl/public_html/invoice/application/modules/layout/views/setup.php
DEBUG - 2017-09-11 15:57:11 --> Total execution time: 0.0230