No Filter works anymore

[MEINKASACK]

Hello,

 

Iam new in this forum, but I can not help myself.

 

I have a big problem with prestashop 1.7.5

 

No filter is working anymore. 

One week ago I deside to copy a lot of product to new categories to push my internal search.  Some of my customers search for terms that I did not have as keyword writen in the titel or the description of my product. So I copied the articel an get theme a new name. So the internal search shows the articel by the main search terms of my customers. Thats worked fine. So I deside to copy more and more of them an let each articel only shown in the search, not in the catalog.

But after I was finished i realise, that my facetsear of prestashop is not longer shown any product or any result.

So I by a new filter module. But the same result ... nothing was shown or the module is working and working but did not show any result.

So I deleted the copied articels from the backend and also the new categories.

But then my BO crashed and shows only an 500 Server Error... I turned on the DEBUG Mode and the BO was rebuild again...

So, can anybody help me...

Where in prestashop ca I reset the filter like Facettsearch to get it going again.

PS: I already deinstaled every filter and install it again ...same result. I also looked in the SQL database and reapaired it... same result.

I realy do not now what to to. The Front end is working well, i i can handel orders... so it is only a problem of the BO...