Diamond resorts want to charge for being unable to use whilst in lockdown

I have recently been contacted by Fernando y Asociados saying they will get me compensation for a timeshare plus other holiday clubs they want £10100 up front on reflection this feels like a scam please advice

We bought two one week timeshare units on Mc Donalds Dona Lola on private re-sale in 2002. We paid our service charges and used our weeks until 2019, we paid 2020’s charge but could not use due to Corvid, we didn’t pay for 2021 as restrictions still applied. Mc Donalds continued to peruse payment and have now instructed solicitors who are being very heavy handed, Ideally we would like them to write off the disputed weeks and do a deal relative to handing back our weeks.

Unfortunately, there is no option to rate minus otherwise I would have given -10.
Bought a trial membership and paid over £4000. We only managed to take the complimentary week. I had made enquiries about the interval as I was planning to travel but did not due to COVID.
I was reassured that the trial membership has been extended. Last year I called to make enquiries about
2 weeks in Mauritius and I was told that the resort in Mauritius was not operating at the time of the phone call. I was being given a few other options but they were all either on the red or amber list.
In the last 2 weeks after numerous failed attempts to contact CLC / Interval or being pushed from pillar to post or being given wrong numbers plus and no reply from an email sent to them, I eventually got hold of someone who told me that although my membership had been extended my interval weeks was not transferred?? and apparently, Intervals are a “completely separate body”.

When I had made the enquiries last year at no point I was told that the interval had expired.

My argument was that there was only 1 direct debit for Trial membership which included service from the intervals. it seems that there was no consideration about the fact that the contract was drawn up pre- covid.

This is blatant theft/ fraud.