Signing with ask position in windows fails

[lsunol]

When trying to sign a document with the "Ask position at the time of signing" fails, under windows. The message in the console is:

11:50:04 Se ha producido un error inesperado al firmar los documentos. Error: org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.ArrayIndexOutOfBoundsException)

The log says:

java.lang.reflect.InvocationTargetException at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:421) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507) at net.esle.sinadura.gui.controller.SignControllerHelper.signDocuments(SignControllerHelper.java:441) at net.esle.sinadura.gui.events.SignListener.widgetSelected(SignListener.java:63) at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source) at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source) at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source) at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source) at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source) at net.esle.sinadura.gui.view.main.MainWindow.initialize(MainWindow.java:116) at net.esle.sinadura.gui.view.main.MainWindow.<init>(MainWindow.java:62) at net.esle.sinadura.gui.LoadingWindow.init(LoadingWindow.java:90) at net.esle.sinadura.gui.LoadingWindow.<init>(LoadingWindow.java:36) at net.esle.sinadura.gui.Sinadura.main(Sinadura.java:124) Caused by: org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.ArrayIndexOutOfBoundsException) at org.eclipse.swt.SWT.error(Unknown Source) at org.eclipse.swt.SWT.error(Unknown Source) at org.eclipse.swt.widgets.Synchronizer.syncExec(Unknown Source) at org.eclipse.swt.widgets.Display.syncExec(Unknown Source) at net.esle.sinadura.gui.controller.SignController.signPDF(SignController.java:461) at net.esle.sinadura.gui.controller.SignController.sign(SignController.java:313) at net.esle.sinadura.gui.events.SignProgress.run(SignProgress.java:89) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121) Caused by: java.lang.ArrayIndexOutOfBoundsException 04 feb 2023 12:04:34,193 - INFO - net.esle.sinadura.gui.util.LoggingDesktopController.println(LoggingDesktopController.java:147) - CONSOLA DE LA APP: An unexpected error happened when signing the documents. Error: org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.ArrayIndexOutOfBoundsException)
[sinadura.log]
(https://github.com/zylklab/sinaduraDesktop/files/10608461/sinadura.log)