Error code 606

I purchased TT Business incorporated several months ago.

Just got around to installing this today Sunday dec.22-late in filing my 2023 return

Received an error 606 after entering the code was provided to activate.

Please verify that the only way to resolve issue is by contacting your support teams during regular Business hours at  [phone number removed]

In case there is  anything that can be done today the code is

Process has been quite frustrating to say the least.

Kind Regards

Cesare Pandolfi