Rev 6224 Error log

nov. 01, 2019 3:31:16 P.M. org.l2jmobius.commons.util.IXmlReader parseFile
WARNING: Could not parse file: 19400-19499.xml
java.lang.IllegalArgumentException: Enum value of type org.l2jmobius.gameserver.model.skills.SkillOperateType required, but not specified
    at org.l2jmobius.gameserver.model.StatsSet.getEnum(StatsSet.java:659)
    at org.l2jmobius.gameserver.model.skills.Skill.<init>(Skill.java:221)
    at org.l2jmobius.gameserver.data.xml.impl.SkillData.lambda$parseDocument$17(SkillData.java:383)
    at java.base/java.lang.Iterable.forEach(Iterable.java:75)
    at org.l2jmobius.gameserver.data.xml.impl.SkillData.lambda$parseDocument$18(SkillData.java:376)
    at java.base/java.util.HashMap.forEach(HashMap.java:1333)
    at org.l2jmobius.gameserver.data.xml.impl.SkillData.parseDocument(SkillData.java:374)
    at org.l2jmobius.commons.util.IXmlReader.parseFile(IXmlReader.java:102)
    at org.l2jmobius.commons.util.IXmlReader.parseDirectory(IXmlReader.java:209)
    at org.l2jmobius.commons.util.IXmlReader.parseDatapackDirectory(IXmlReader.java:152)
    at org.l2jmobius.gameserver.data.xml.impl.SkillData.load(SkillData.java:219)
    at org.l2jmobius.gameserver.data.xml.impl.SkillData.<init>(SkillData.java:114)
    at org.l2jmobius.gameserver.data.xml.impl.SkillData$SingletonHolder.<clinit>(SkillData.java:695)
    at org.l2jmobius.gameserver.data.xml.impl.SkillData.getInstance(SkillData.java:690)
    at org.l2jmobius.gameserver.data.xml.impl.SkillTreesData.parseDocument(SkillTreesData.java:241)
    at org.l2jmobius.commons.util.IXmlReader.parseFile(IXmlReader.java:102)
    at org.l2jmobius.commons.util.IXmlReader.parseDirectory(IXmlReader.java:209)
    at org.l2jmobius.commons.util.IXmlReader.parseDirectory(IXmlReader.java:205)
    at org.l2jmobius.commons.util.IXmlReader.parseDatapackDirectory(IXmlReader.java:152)
    at org.l2jmobius.gameserver.data.xml.impl.SkillTreesData.load(SkillTreesData.java:154)
    at org.l2jmobius.gameserver.data.xml.impl.SkillTreesData.<init>(SkillTreesData.java:125)
    at org.l2jmobius.gameserver.data.xml.impl.SkillTreesData$SingletonHolder.<clinit>(SkillTreesData.java:1804)
    at org.l2jmobius.gameserver.data.xml.impl.SkillTreesData.getInstance(SkillTreesData.java:1796)
    at org.l2jmobius.gameserver.GameServer.<init>(GameServer.java:251)
    at org.l2jmobius.gameserver.GameServer.main(GameServer.java:501)