hello..... need help please 3 days no can use and create my site.... yestoday buy new theme and no can use my site

Please I need help I made a purchase of your new theme and I couldn't use it because the osclass has problems with saving the category and the Spanish and English languages please I need a solution to use my website and the new template

maybe version languaje

ESESSpanish (Spain)File name: 20200915_lang_osclass_es_ES_3.5.0.zipUpdated on: 2020-09-15Size: 128kb

delete all again install the osclass from scratch and install the manual Spanish language and all manual and even so the problem is not fixed please what is the solution

I do not know what else to do

I have 3 days with the page down waiting for a response and the problem continued and it is not my VPS I already tried another one and I am a client of yours with more than 20 products purchased

I found where the problem is, it is when the new themes is ACTIVATED   Osclass themes

It's weekend 
Review your console log.

It's weekend 
Review your console log.

i fixed problem is NEW THEME and BASE DATA and LANGUAJE