older BPMN-8.0-Files dosn't open

Camunda 8 Topics
1

[C:\Users\ANDREA~1.LUE\AppData\Local\Temp\protmp\2495902\Wareneingangsserfassung.bpmn] An unknown execution platform (Camunda Cloud 8.5.0) was detected.
at i.get (webpack://camunda-modeler-client/src/app/tabs/EngineProfileHelper.js:28:12)
at get (webpack://camunda-modeler-client/src/app/tabs/cloud-bpmn/BpmnEditor.js:334:43)
at handleImport (webpack://camunda-modeler-client/src/app/tabs/cloud-bpmn/BpmnEditor.js:550:11) [ error ]

2

Can you give more details about how the model was built and maybe upload it?