Error: illegal value Servoy 2022.3.1

Hi,
last week we have update the servoy from 2021.12 to 2022.3.1.
We have a NG form like “invoices” with a tabpanel who shows “invoices_detail” with a relationName “invoices_to_invoices_detail”.
It throw that Error:

ERROR org.sablo.websocket.WebsocketEndpoint - Error: illegal value 'FoundSet[Table:ventas_det,Size: 2,CachedRecords: 2,SELECTED INDEX: 0]' to set on the foundset property with foundsetSelector/datasource: , foundset is either pinned to form's foundset or to a related foundset myFoundset java.lang.RuntimeException: illegal value 'FoundSet[Table:ventas_det,Size: 2,CachedRecords: 2,SELECTED INDEX: 0]' to set on the foundset property with foundsetSelector/datasource: , foundset is either pinned to form's foundset or to a related foundset myFoundset
	at com.servoy.j2db.server.ngclient.property.FoundsetPropertyType$FoundsetTypeSableValueWrapper.put(FoundsetPropertyType.java:281) ~[?:?]
	at org.mozilla.javascript.ScriptableObject.putProperty(ScriptableObject.java:2544) ~[org.eclipse.dltk.javascript.rhino_2022.3.1.3743.jar:?]
	at org.mozilla.javascript.ScriptRuntime.setObjectProp(ScriptRuntime.java:1712) ~[org.eclipse.dltk.javascript.rhino_2022.3.1.3743.jar:?]
	at org.mozilla.javascript.ScriptRuntime.setObjectProp(ScriptRuntime.java:1706) ~[org.eclipse.dltk.javascript.rhino_2022.3.1.3743.jar:?]
	at org.mozilla.javascript.gen.c_8._c_anonymous_2(Unknown Source) ~[?:?]
	at org.mozilla.javascript.gen.c_8.call(Unknown Source) ~[?:?]
	at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:399) ~[org.eclipse.dltk.javascript.rhino_2022.3.1.3743.jar:?]
	at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3534) ~[org.eclipse.dltk.javascript.rhino_2022.3.1.3743.jar:?]
	at org.mozilla.javascript.gen.c_8.call(Unknown Source) ~[?:?]
	at com.servoy.j2db.server.ngclient.component.RuntimeWebComponent.executeScopeFunction(RuntimeWebComponent.java:208) ~[?:?]
	at com.servoy.j2db.server.ngclient.NGFormServiceHandler.executeMethod(NGFormServiceHandler.java:510) ~[?:?]
	at org.sablo.websocket.WebsocketEndpoint$5.run(WebsocketEndpoint.java:414) [sablo_2022.3.1.3743.jar:?]
	at org.sablo.eventthread.Event$1.run(Event.java:97) [sablo_2022.3.1.3743.jar:?]
	at org.sablo.websocket.CurrentWindow.runForWindow(CurrentWindow.java:80) [sablo_2022.3.1.3743.jar:?]
	at org.sablo.eventthread.Event.execute(Event.java:87) [sablo_2022.3.1.3743.jar:?]
	at org.sablo.eventthread.EventDispatcher.dispatch(EventDispatcher.java:130) [sablo_2022.3.1.3743.jar:?]
	at org.sablo.eventthread.EventDispatcher.run(EventDispatcher.java:89) [sablo_2022.3.1.3743.jar:?]
	at com.servoy.j2db.server.ngclient.eventthread.NGEventDispatcher.run(NGEventDispatcher.java:57) [servoy_ngclient_2022.3.1.3743.jar:?]
	at java.lang.Thread.run(Unknown Source) [?:?]

That Error wasn’t at the previous version.

Does any one know why this happens?
And how to solve it?

Thanks

We too are getting this error in the logs but have no idea why.

Any help would be appreciated.

Thanks
Steve