Dude, now i can open it but not save, can u save even without doing changes ?
Yep fixed
L2ClientDat-362\data\structure\dats \mobskillanimgrp
<file pattern="kor_helios_p3" isSafePackage="true">
<node name="data" reader="UINT" />
<for name="skill" size="#data" hidden="false">
<node name="npc_id" reader="UINT" />
<node name="skill_id" reader="UINT" />
<node name="seq_name" reader="MAP_INT" />
</for>
</file>
change the MAP_INT TO --> UINT
<file pattern="kor_helios_p3" isSafePackage="true">
<node name="data" reader="UINT" />
<for name="skill" size="#data" hidden="false">
<node name="npc_id" reader="UINT" />
<node name="skill_id" reader="UINT" />
<node name="seq_name" reader="
UINT" />
</for>
</file>