The expression "Other than" means this:
https://www.oxfordlearnersdictionaries.com/definition/english/other_1#other_idmg_2
usually used in negative sentences
A. apart from; except.
He claims not to own anything other than his home [He claims not to own anything apart from his home]
I don't know any French people other than you. [Apart from you, I don't know any other French people]
We're going away in June but, other than that, I'll be here all summer. [except for my trip in June, I'll be here all summer]
During my trip, it rained heavily, tube drivers were on strike and the concert I had tickets for was cancelled. Other than that, it was great. [Apart from all that, it was great-used slightly ironically]
B. (formal) different or in a different way from; otherwise than.
There is no suggestion that we have to take this other than literally [We shouldn't take this in any other way than…]
I have never known him to behave other than selfishly. [I have only seen him behave selfishly, I haven't seen him behave in a different way]