Problem ordering in JLCPCB

[Triskae]

Hello, I have this error when trying to order from JLCPCB is this something normal ? I download the 3 files from the repo.

Thank you very much !

[pyredex]

That is the connection end to the AC unit. USB, JST, Etc... It really is unknown (per manufacturer) and also easy to add after board assembly.. In other words, you don't "need" it.