Cannot import my wallet blockmarket 1.2 to syscoin core 4

Hi guys,

I am totally lost, in a nutshell I have some syscoins on blockmarket 1.2.3. From there I am not able to send them anywhere.
I have a copy of my wallet.dat + my private key.

I hav tried to import it onto blockmaster 3.2 but it didnt work, the wallet never loads.
I have also tried with syscoin core 4 by doing the following steps:
Import privkey into consol. and i get This type of wallet does not support this command (code -4)

I tried to import the dump and got the same result.
my dump is a sys2dump
Would you have any other suggestion?
I bough the coin in 2018, left them there and forgot about them.

You will need to create a new wallet, with 4.3 when creating a new wallet you have to UNTICK the descriptor option then choose the new wallet from the drop down that will appear in the console and import again
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For any further assistance please join Discord and raise a ticket with the command !ticket