I would break up the error message like this
Fatal error: Uncaught exception
’SmartyException’ with message ’unable to write file ’
in
/home/klant00318/domains/radiologie-e-learning.nl/public_html/core/model/smarty/sysplugins/smarty_internal_write_file.php:35
Stack trace: #0 /home/klant00318/domains/radiologie-e-learning.nl/public_html/core/model/smarty/sysplugins/smarty_internal_template.php(271):
Smarty_Internal_Write_File:
:writeFile(’/home/klant0031...’,
’<?php
/* Smarty...’,
Object(modSmarty))
#1 /home/klant00318/domains/radiologie-e-learning.nl/public_html/core/model/smarty/sysplugins/smarty_internal_template.php(412):
Smarty_Internal_Template->compileTemplateSource()
#2 /home/klant00318/domains/radiologie-e-learning.nl/public_html/core/model/smarty/sysplugins/smarty_internal_template.php(554):
Smarty_Internal_Template->renderTemplate()
#3 /home/klant00318/domains/radiologie-e-learning.nl/public_html/core/model/smarty/Smarty.class.php(335): Smarty_Internal_Template->getRenderedTemplate()
#4 /home/klant00318/domains/radiologie-e-learning.nl/public_html/core/mode in
/home/klant00318/domains/radiologie-e-learning.nl/public_html/core/model/smarty/sysplugins/smarty_internal_write_file.php on line 35
if this kind of stuff does not make some sense to you I would advise deleting the installation dropping the tables and starting again. have you asked your hosts support for help?
I have found in the past that reinstalling or doing a fresh install can work.