hello i need this module so much, but i have datalife engine 14.1 the new version can you upgrate it. and i will buy it for 15$

Error: Class 'Sandev\Ajax\AjaxRouter' not found in /home/tokyoge/public_html/engine/mods/pm/ajax.php:58 Stack trace: #0 {main} thrown in /home/tokyoge/public_html/engine/mods/pm/ajax.php on line 58

i have this problem

this code now working in chat look:
pls help me @sander