Java error when opening a diagram with Data Modeler

Hello,

We are using Data Modeler 4.1.5.907 and since the last modification of one of ours developers, we are getting java error when opening our model :

2021-01-29 16:04:43,291 [Thread-19] ERROR MDTransformer - Illegal argument for setter

java.lang.IllegalArgumentException: [email protected]

at sun.reflect.GeneratedMethodAccessor734.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at oracle.dbtools.crest.model.metadata.MDTransformer.setProperty(MDTransformer.java:67)

at oracle.dbtools.crest.model.metadata.MDTransformer.setDefaultProperty(MDTransformer.java:438)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.processProperty(XMLToObjectTransformer.java:432)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:280)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.processCollectionWithContained(XMLToObjectTransformer.java:686)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.processCollection(XMLToObjectTransformer.java:539)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:303)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:200)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:168)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:132)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:125)

at oracle.dbtools.crest.model.metadata.XMLTransformationManager.transformFromXMLToObject(XMLTransformationManager.java:2287)

at oracle.dbtools.crest.model.metadata.XMLTransformationManager.openPhysicalModelManyFiles(XMLTransformationManager.java:4464)

at oracle.dbtools.crest.model.metadata.XMLTransformationManager.openPhysicalModel(XMLTransformationManager.java:4235)

at oracle.dbtools.crest.model.metadata.XMLTransformationManager.openPhysicalModel(XMLTransformationManager.java:4220)

at oracle.dbtools.crest.model.design.Design.openDesign(Design.java:1541)

at oracle.dbtools.crest.swingui.ControllerApplication$Recent$1.run(ControllerApplication.java:4977)

2021-01-29 16:04:43,291 [Thread-19] ERROR MDTransformer - Illegal argument for setter

java.lang.IllegalArgumentException: [email protected]

at sun.reflect.GeneratedMethodAccessor735.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at oracle.dbtools.crest.model.metadata.MDTransformer.setProperty(MDTransformer.java:67)

at oracle.dbtools.crest.model.metadata.MDTransformer.setDefaultProperty(MDTransformer.java:438)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.processProperty(XMLToObjectTransformer.java:432)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:280)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.processCollectionWithContained(XMLToObjectTransformer.java:686)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.processCollection(XMLToObjectTransformer.java:539)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:303)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:200)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:168)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:132)

at oracle.dbtools.crest.model.metadata.XMLToObjectTransformer.transformToObject(XMLToObjectTransformer.java:125)

at oracle.dbtools.crest.model.metadata.XMLTransformationManager.transformFromXMLToObject(XMLTransformationManager.java:2287)

at oracle.dbtools.crest.model.metadata.XMLTransformationManager.openPhysicalModelManyFiles(XMLTransformationManager.java:4464)

at oracle.dbtools.crest.model.metadata.XMLTransformationManager.openPhysicalModel(XMLTransformationManager.java:4235)

at oracle.dbtools.crest.model.metadata.XMLTransformationManager.openPhysicalModel(XMLTransformationManager.java:4220)

at oracle.dbtools.crest.model.design.Design.openDesign(Design.java:1541)

at oracle.dbtools.crest.swingui.ControllerApplication$Recent$1.run(ControllerApplication.java:4977)

.....

I guess something is wrongly done but I am not able to find it...

It is second time we get this kind of error since one week. The first time, we revert to previous version.

Thanks for your help.