[B135] Linux - NumberFormatException: For input string: "undefined" and also com.strategyquant.lib.SQUtils - Cannot get attribute 'type'

[B135] NumberFormatException: For input string: "undefined" and also com.strategyquant.lib.SQUtils - Cannot get attribute 'type'


What I did:
It is just a startup process. I did nothing.


System:
StrategyQuant X Pro build 135


OS:
Ubuntu 21.10


Log:
10:38:51.038 [Thread-471] DEBUG c.s.tradinglib.project.ProjectEngine - Loading project 'Optimizer'.
10:38:51.098 [Thread-471] DEBUG com.strategyquant.lib.SQUtils - Cannot get attribute 'type'
java.lang.NumberFormatException: For input string: "undefined"
at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:68) ~[na:na]
at java.base/java.lang.Integer.parseInt(Integer.java:652) ~[na:na]
at java.base/java.lang.Integer.parseInt(Integer.java:770) ~[na:na]
at com.strategyquant.lib.XMLUtil.getIntAttr(Unknown Source) ~[na:na]
at com.strategyquant.plugin.CrossCheck.impl.WalkForwardMatrix.WalkForwardMatrix.readSettings(Unknown Source) ~[na:na]
at com.strategyquant.plugin.Settings.impl.CrossChecks.CrossChecksPlugin.readSettings(Unknown Source) ~[na:na]
at com.strategyquant.tradinglib.taskImpl.AbstractTask.setConfig(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.tradinglib.project.SQProject.initTasksFromConfig(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.tradinglib.project.ProjectEngine.initTasks(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.tradinglib.project.ProjectEngine.getInstance(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.tradinglib.project.ProjectEngine.list(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.webguilib.servlet.MainServlet.onGetConfigs(Unknown Source) ~[SQWebGUILib.jar:na]
at com.strategyquant.webguilib.servlet.MainServlet.access$400(Unknown Source) ~[SQWebGUILib.jar:na]
at com.strategyquant.webguilib.servlet.MainServlet$10.run(Unknown Source) ~[SQWebGUILib.jar:na]
10:38:51.109 [Thread-471] DEBUG com.strategyquant.lib.SQUtils - Cannot get attribute 'type'
java.lang.NumberFormatException: For input string: "undefined"
at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:68) ~[na:na]
at java.base/java.lang.Integer.parseInt(Integer.java:652) ~[na:na]
at java.base/java.lang.Integer.parseInt(Integer.java:770) ~[na:na]
at com.strategyquant.lib.XMLUtil.getIntAttr(Unknown Source) ~[na:na]
at com.strategyquant.plugin.CrossCheck.impl.WalkForwardMatrix.WalkForwardMatrix.readSettings(Unknown Source) ~[na:na]
at com.strategyquant.plugin.Settings.impl.CrossChecks.CrossChecksPlugin.readSettings(Unknown Source) ~[na:na]
at com.strategyquant.tradinglib.taskImpl.AbstractTask.setConfig(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.tradinglib.project.SQProject.initTasksFromConfig(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.tradinglib.project.ProjectEngine.initTasks(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.tradinglib.project.ProjectEngine.getInstance(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.tradinglib.project.ProjectEngine.list(Unknown Source) ~[SQTradingLib.jar:na]
at com.strategyquant.webguilib.servlet.MainServlet.onGetConfigs(Unknown Source) ~[SQWebGUILib.jar:na]
at com.strategyquant.webguilib.servlet.MainServlet.access$400(Unknown Source) ~[SQWebGUILib.jar:na]
at com.strategyquant.webguilib.servlet.MainServlet$10.run(Unknown Source) ~[SQWebGUILib.jar:na]
10:38:51.205 [qtp470051986-552] DEBUG c.s.w.servlet.HttpJSONServlet - Incoming command: /language /getLanguage