invalid column name "ruud"

[muboss]

hello every one..
i test login mu season 12, then choose character then ok.. then appear mu picture and hang, so can not appear in the town.. like this:
https://prnt.sc/fk91su

then i see in the data server tool appear like this:
https://prnt.sc/fkhvlm

how to solve this?
tq.

[MentaL]