Your post was blank so you haven't described/explained what your specific problem is.
As such, the only thing that I can do is post the usual generic advice for those experiencing roaming issues...
If your SIM predates January 2023 then a replacement may mitigate or eliminate roaming problems:
It may be worthwhile reviewing these two threads in case any of the suggestions help to avoid roaming problems:
If you still have problems then you'll probably need to contact 48 support for further assistance.
See the links in my signature below.
