Notice error in home page after installing Isotope
Hi,
I am new to Contao CMS and Isotope extension.
My client installed the Isotope extension and after installing it, he is getting below error message in home page.
Error
Notice: Maak een standaard winkelinstellingen aan. in system/modules/isotope/library/Isotope/Isotope.php on line 150
#0 [internal function]: __error(1024, 'Maak een standa...', '/home/dating/do...', 150, Array)
#1 system/modules/isotope/library/Isotope/Isotope.php(150): trigger_error('Maak een standa...')
#2 system/modules/isotope/library/Isotope/Backend/Member/Callback.php(27): Isotope\Isotope::getConfig()
#3 system/modules/core/library/Contao/Controller.php(2343): Isotope\Backend\Member\Callback->limitCountries('tl_member')
#4 system/modules/core/library/Contao/Controller.php(802): Contao\Controller->loadDataContainer('tl_member')
#5 system/modules/core/classes/FrontendTemplate.php(154): Contao\Controller->replaceInsertTags('...', false)
#6 system/modules/core/pages/PageRegular.php(183): Contao\FrontendTemplate->output(true)
#7 index.php(256): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#8 index.php(440): Index->run()
#9 {main}
He is using
Contao Open Source CMS 3.2
Isotope verion 2.1.1
PHP version 5.3.28
Please help me to fix this issue.