Necesito ayuda, en mi sistema me aparece este tipo de error, como puedo solucionarlo

emruiz

Link to test case:
Debugger code (debug.datatables.net):
Error messages shown:
Description of problem:

emruiz

me aparece este error, como puedo solucionarlo.

Fatal error: Uncaught Error: Call to undefined function cal_days_in_month() in /home/sysphar/public_html/pos_moderno/_inc/helper/common.php:169 Stack trace: #0 /home/sysphar/public_html/pos_moderno/_inc/template/partials/income_expense_graph.php(31): get_total_day_in_month() #1 /home/sysphar/public_html/pos_moderno/admin/dashboard.php(306): include('/home/sysphar/p...') #2 {main} thrown in /home/sysphar/public_html/pos_moderno/_inc/helper/common.php on line 169

emruiz

tengo este error

Fatal error: Uncaught Error: Call to undefined function get_the_produc() in /home/sysphar/public_html/pos_moderno/_inc/model/quotation.php:254 Stack trace: #0 /home/sysphar/public_html/pos_moderno/admin/quotation_edit.php(22): ModelQuotation->getQuotationItems('evelio26-10-20') #1 {main} thrown in /home/sysphar/public_html/pos_moderno/_inc/model/quotation.php on line 254

colin

I'm not seeing any mention of DataTables in the errors or the code. It would be worth asking on StackOverflow or another generic site,

Colin