Sure, We can do this job. You can Check our review 100% result.
We will run few code to find out the actually issue we have own server setup as well so we can know what could be the main issue let us know.
Our Short Profile:
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Elite Themeforest Author, OpenCart Gold Partner(eCommerce). WordPress Expert with 20+ Themes and 75+ Themes for HTML and 25+ Modules with 5+ Portal and having server administrator team