When trying to activate error 1616

Trying to install and activate R2023b. R2023a has ben uninstalled. Getting message that no more activations are available.

[Walter Roberson]

https://www.mathworks.com/matlabcentral/answers/92674-why-do-i-receive-error-353-or-error-1616-no-more-activations-available-when-attempting-to-activate#answer_102024