Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String ind
ex out of range: -1
at java.lang.AbstractStringBuilder.deleteCharAt(Unknown Source)
at java.lang.StringBuffer.deleteCharAt(Unknown Source)
at net.sf.l2j.dataextraction.DataFileConversion.parseWeaponLine(DataFile
Conversion.java:533)
at net.sf.l2j.dataextraction.DataFileConversion.convertWeaponGrp(DataFil
eConversion.java:166)
at net.sf.l2j.dataextraction.DataFileConversion.<init>DataFileConversio
n.java:119)
at net.sf.l2j.dataextraction.DataFileConversion.main(DataFileConversion.
java:111)