Nukkit (Bedrock) servers have an extra step when you start them for the first time!
This will probably be displayed in your console logs. From the Multicraft main server page, on the left sidebar, hit Console
.
A box of text should then appear, it should look something like this:
06.01 03:49:41 [Server] INFO Welcome! Please choose a language first!
06.01 03:49:41 [Server] INFO eng => English
06.01 03:49:41 [Server] INFO chs => 中文(简体)
06.01 03:49:41 [Server] INFO cht => 中文(繁體)
06.01 03:49:41 [Server] INFO jpn => 日本語
06.01 03:49:41 [Server] INFO rus => Pyccĸий
06.01 03:49:41 [Server] INFO spa => Español
06.01 03:49:41 [Server] INFO pol => Polish
06.01 03:49:41 [Server] INFO bra => Português-Brasil
06.01 03:49:41 [Server] INFO kor => 한국어
06.01 03:49:41 [Server] INFO ukr => Українська
06.01 03:49:41 [Server] INFO deu => Deutsch
06.01 03:49:41 [Server] INFO ltu => Lietuviškai
06.01 03:49:41 [Server] INFO idn => Indonesia
06.01 03:49:41 [Server] INFO cze => Czech
06.01 03:49:41 [Server] INFO tur => Turkish
06.01 03:49:41 [Server] INFO fin => Suomi
To start your server, simply type eng
for the English language (or your preferred language equivalent) and press enter. Your server will then start immediately.