Ran University Client, Editors, Source Code

When i just join game then have a sentence "the PK period among has began. You can only attack students outside the campus"
How to change hour school war or change it(remove this event)
 
As the tittle, i want to translate english to vietnamese text in ran online
but when i edit in "data/gui" then game have error show?
can you help me?
 
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