implement server side restrictions

src/engine/objects/PlayerCharacter.java

@@ -4575,11 +4575,15 @@ public class PlayerCharacter extends AbstractCharacter {
         else
             this.absGender = SexType.FEMALE;
 
+
         for(CharacterRune rune : this.runes){
             try {
                 DisciplineType disc = DisciplineType.valueOf(RuneBase.getRuneBase(rune.getRuneBaseID()).getName().replace("-", "").replace(" ", ""));
                 if (disc != null) {
-                    this.absDisciplines.add(disc);
+                    if(this.absDisciplines == null)
+                        this.absDisciplines = EnumSet.of(disc);
+                    else
+                        this.absDisciplines.add(disc);
                 }
             } catch(Exception e){