How can I upgrade from 12.7.6-ce to 13.11.1-ee. by the way, if it is impossible please let me know too.
PS: which versions I can use for transfer for example
12.7.6-ce to 12.7.6-ee to 12..-ee to 13..-ee
12.7.6-ce to 12.9.*-ce to ****-ee