I made a Gantt project and was working properly. After update, it is not showing many saved entities. and showing the following error

GanttProject Desktop Support
#1

C:\Users\USER\ganttproject.log

GanttProject 3.1.3100
Settings file:
location: C:\Users\USER.ganttproject
size:6142
is readable: true
java.class.path: eclipsito.jar;C:\Program Files (x86)\GanttProject-3.1
java.home: C:\Program Files (x86)\GanttProject-3.1\runtime
java.ext.dirs: null
java.io.tmpdir: C:\Users\USER\AppData\Local\Temp
java.runtime.version: 11.0.11+9-LTS
java.vendor: BellSoft
java.vm.name: OpenJDK 64-Bit Server VM
java.vm.vendor: BellSoft
java.vm.version: 11.0.11+9-LTS
os.arch: amd64
os.name: Windows 10
os.version: 10.0
sun.java.command: com.bardsoftware.eclipsito.Launch --verbosity 1 --version-dirs plugins;~/.ganttproject.d/updates --app net.sourceforge.ganttproject.GanttProject
user.country: GB
user.dir: C:\Program Files (x86)\GanttProject-3.1
user.home: C:\Users\USER
user.language: en
user.timezone: Asia/Calcutta

Dec 14, 2023 5:58:21 PM biz.ganttproject.LoggerImpl error
SEVERE: Can’t set awtAppClassName (needed on Linux to show app name in the top panel)
Dec 14, 2023 5:58:21 PM net.sourceforge.ganttproject.GPLogger log
INFO: Deleting old auto-save files
Dec 14, 2023 5:58:22 PM biz.ganttproject.LoggerImpl debug
FINE: Creating main frame…
Dec 14, 2023 5:58:22 PM biz.ganttproject.LoggerImpl debug
FINE: 1. loading look’n’feels
Dec 14, 2023 5:58:23 PM biz.ganttproject.LoggerImpl debug
FINE: 2. loading options
Dec 14, 2023 5:58:23 PM biz.ganttproject.LoggerImpl debug
FINE: 3. creating menus…
Dec 14, 2023 5:58:24 PM biz.ganttproject.LoggerImpl debug
FINE: 4. creating views…
Dec 14, 2023 5:58:24 PM biz.ganttproject.LoggerImpl debug
FINE: 5. calculating size and packing…
Dec 14, 2023 5:58:24 PM biz.ganttproject.LoggerImpl debug
FINE: 6. changing language …
Dec 14, 2023 5:58:24 PM biz.ganttproject.LoggerImpl debug
FINE: 7. first attempt to restore bounds
Dec 14, 2023 5:58:24 PM biz.ganttproject.LoggerImpl debug
FINE: 8. finalizing…
Dec 14, 2023 5:58:31 PM biz.ganttproject.LoggerImpl error
SEVERE: Can’t parse this recent document record: E:\Program Files\OrgBusiness\GanttChart\GanttProject-3.1\HouseBuildingSample.gan
Dec 14, 2023 5:58:31 PM biz.ganttproject.LoggerImpl error
SEVERE: Can’t parse this recent document record: C:\Users\USER\AppData\Local\Temp_ganttproject_autosave15196866323908367282.gan
Dec 14, 2023 5:58:31 PM biz.ganttproject.LoggerImpl error
SEVERE: Can’t parse this recent document record: C:\Users\USER\AppData\Local\Temp_ganttproject_autosave11380302214441086437.gan
Dec 14, 2023 5:58:34 PM net.sourceforge.ganttproject.GPLogger logToLogger
WARNING: For input string: “1.0”
java.lang.NumberFormatException: For input string: “1.0”
at java.base/java.lang.NumberFormatException.forInputString(Unknown Source)
at java.base/java.lang.Integer.parseInt(Unknown Source)
at java.base/java.lang.Integer.valueOf(Unknown Source)
at net.sourceforge.ganttproject.parser.CustomPropertiesTagHandler.parsingFinished(CustomPropertiesTagHandler.java:91)
at net.sourceforge.ganttproject.io.XmlParser.endDocument(XmlParser.java:61)
at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endDocument(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(Unknown Source)
at java.xml/javax.xml.parsers.SAXParser.parse(Unknown Source)
at net.sourceforge.ganttproject.io.XmlParser.parse(XmlParser.java:119)
at net.sourceforge.ganttproject.io.GanttXMLOpen.doLoad(GanttXMLOpen.java:99)
at net.sourceforge.ganttproject.io.GanttXMLOpen.load(GanttXMLOpen.java:93)
at net.sourceforge.ganttproject.document.ProxyDocument$ParsingState.enter(ProxyDocument.java:370)
at net.sourceforge.ganttproject.document.ProxyDocument.read(ProxyDocument.java:188)
at net.sourceforge.ganttproject.GanttProject.open(GanttProject.java:731)
at net.sourceforge.ganttproject.gui.ProjectOpenStrategy.openFileAsIs(ProjectOpenStrategy.kt:255)
at net.sourceforge.ganttproject.gui.ProjectUIFacadeImpl.openProject$lambda-5$lambda-4$lambda-3(ProjectUIFacadeImpl.kt:259)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$2.run(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.desktop/java.awt.WaitDispatchSupport.enter(Unknown Source)
at java.desktop/java.awt.Dialog.show(Unknown Source)
at java.desktop/java.awt.Component.show(Unknown Source)
at java.desktop/java.awt.Component.setVisible(Unknown Source)
at java.desktop/java.awt.Window.setVisible(Unknown Source)
at java.desktop/java.awt.Dialog.setVisible(Unknown Source)
at net.sourceforge.ganttproject.DialogBuilder$DialogImpl.show(DialogBuilder.java:77)
at biz.ganttproject.app.DialogControllerSwing.setDialogFrame$ganttproject(Dialog.kt:206)
at biz.ganttproject.app.DialogKt.dialog$lambda-9$lambda-8(Dialog.kt:112)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)

Dec 14, 2023 5:58:34 PM net.sourceforge.ganttproject.GPLogger logToLogger
WARNING: null
java.security.PrivilegedActionException: java.io.IOException: For input string: “1.0”
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$2.run(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.desktop/java.awt.WaitDispatchSupport.enter(Unknown Source)
at java.desktop/java.awt.Dialog.show(Unknown Source)
at java.desktop/java.awt.Component.show(Unknown Source)
at java.desktop/java.awt.Component.setVisible(Unknown Source)
at java.desktop/java.awt.Window.setVisible(Unknown Source)
at java.desktop/java.awt.Dialog.setVisible(Unknown Source)
at net.sourceforge.ganttproject.DialogBuilder$DialogImpl.show(DialogBuilder.java:77)
at biz.ganttproject.app.DialogControllerSwing.setDialogFrame$ganttproject(Dialog.kt:206)
at biz.ganttproject.app.DialogKt.dialog$lambda-9$lambda-8(Dialog.kt:112)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.io.IOException: For input string: “1.0”
at net.sourceforge.ganttproject.io.XmlParser.parse(XmlParser.java:129)
at net.sourceforge.ganttproject.io.GanttXMLOpen.doLoad(GanttXMLOpen.java:99)
at net.sourceforge.ganttproject.io.GanttXMLOpen.load(GanttXMLOpen.java:93)
at net.sourceforge.ganttproject.document.ProxyDocument$ParsingState.enter(ProxyDocument.java:370)
at net.sourceforge.ganttproject.document.ProxyDocument.read(ProxyDocument.java:188)
at net.sourceforge.ganttproject.GanttProject.open(GanttProject.java:731)
at net.sourceforge.ganttproject.gui.ProjectOpenStrategy.openFileAsIs(ProjectOpenStrategy.kt:255)
at net.sourceforge.ganttproject.gui.ProjectUIFacadeImpl.openProject$lambda-5$lambda-4$lambda-3(ProjectUIFacadeImpl.kt:259)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
… 32 more

#2

Please share the project file.

#3

Residence for Riyas & Bushra.gan (22.2 KB)
Attached the project file

#4

There is a custom property that has a declared type “integer” but values are not integer numbers. I changed the custom property type to “text”. The fixed file is attached.

Residence for Riyas & Bushra.gan (22.2 KB)