Hi i have purchased pos auto complete search module from

https://apps.odoo.com/apps/modules/10.0/pos_search_autocomplete_drc/

and keyboard shortcuts from

https://apps.odoo.com/apps/modules/10.0/pos_keyboard/

when i install both module i got

i have tried to first install keyboard and than auto complete search both times i got same error

i am just a beginner in this please help in this i have contacted developers of the module but no response

thanks

undefined Client Error

TypeError: Keypad is not a constructor