Bug Error in chart

Fatal error: Uncaught Error: Call to undefined method Chart_Food_BonRecieveSent_lookup::lookup_res_() in C:\xampp\htdocs\Chart_Food_BonRecieveSent\index.php:3116 Stack trace: #0 C:\xampp\htdocs\Chart_Food_BonRecieveSent\index.php(7605): Chart_Food_BonRecieveSent_apl->controle() #1 {main} thrown in C:\xampp\htdocs\Chart_Food_BonRecieveSent\index.php on line 3116