There are some mistakes. Who can help me

[luoyexuge]

lightgbm shuubiasahi$ java -jar target/converter-executable-1.2-SNAPSHOT.jar --lgbm-input /Users/shuubiasahi/Documents/python/credit-tfgan/xml/lightgbm.txt --pmml-output /Users/shuubiasahi/Documents/python/credit-tfgan/xml/lightgbm.pmml
Exception in thread "main" java.lang.NumberFormatException: null
at java.lang.Integer.parseInt(Integer.java:542)
at java.lang.Integer.parseInt(Integer.java:615)
at org.jpmml.lightgbm.Section.getInt(Section.java:46)
at org.jpmml.lightgbm.Tree.load(Tree.java:76)
at org.jpmml.lightgbm.GBDT.load(GBDT.java:108)
at org.jpmml.lightgbm.LightGBMUtil.loadGBDT(LightGBMUtil.java:61)
at org.jpmml.lightgbm.LightGBMUtil.loadGBDT(LightGBMUtil.java:53)
at org.jpmml.lightgbm.Main.run(Main.java:122)
at org.jpmml.lightgbm.Main.main(Main.java:115)

[azaaza0319]

Hi I have the same issue here. Could someone reopen the issue and help?
Attached is my model file. Is it due to the model does not have "num_cat"?
lightgbm.txt

FYI lightgbm version is 2.0.2