French phrase
Je n'arrive pas à m'inscrire en ligne à ~.
Meaning
I can't apply online to ___.
When to use it
Says that an online application cannot be completed. Often used when a technical or procedural problem requires help.
Example dialogue
Tu as pu t'inscrire pour l'échange ?
Were you able to apply for the exchange?
Je n'arrive pas à m'inscrire en ligne à l'université.
No, I can't apply online to the university.