I cant create title for my server!

*Im creating an aternos server on 1.21.1, and now i want to create title. im writing /title Rav1382 title title (/title <player> title <title>) and i have bug "Invalid chat component: use JsonReader.setLinient(true) to accept malformed json at line 1 column 1 path $"

with command block is this same. 

In screenshots can be viewed error and command.

I used original minecraft launcher premium.*