How can I fix the liquid error snippets hide price issue on my website?

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our wholesale side of the website is now suddenly appearing on google search and non authorised customers are able to access wholesale and purchase.
We now suddenly have at top of website liquid error could not find asset snippets and could not find snippets hide price liquid. We do not have a third party app for wholesale we have had website for six years running fine until now . Have tried to sort with shopify chat but they only advise to purchase an app . Can this be fixed?

we had help setting up website so not sure how this was done originally

many thanks