Fatal error: Uncaught Error: Call to undefined function get_user_by() in /home/inventief1/domains/inventief.nl/public_html/application/frontend/models/medewerkersmodel.php:332 Stack trace: #0 /home/inventief1/domains/inventief.nl/public_html/application/frontend/models/medewerkersmodel.php(95): MedewerkersModel->getBlogs('pietermarijnvan...') #1 /home/inventief1/domains/inventief.nl/public_html/application/frontend/models/medewerkersmodel.php(21): MedewerkersModel->getMedewerker('1') #2 /home/inventief1/domains/inventief.nl/public_html/application/frontend/models/pagemodel.php(118): MedewerkersModel->getContent() #3 /home/inventief1/domains/inventief.nl/public_html/application/frontend/models/pagemodel.php(47): PageModel->loadType('medewerkers') #4 /home/inventief1/domains/inventief.nl/public_html/application/frontend/controllers/pagina.php(23): PageModel->getPage('hetteam') #5 /home/inventief1/domains/inventief.nl/public_html/system/core/CodeIgniter.php(325): Pagina->index('hetteam', '1-Pieter-Marijn...') #6 /home/invent in /home/inventief1/domains/inventief.nl/public_html/application/frontend/models/medewerkersmodel.php on line 332