This appears to be related to Web Modeler configuration issues where organization ID environment variables aren’t being applied correctly. I found the following relevant resources:
- Web Modeler configuration documentation
- Forum post about similar 500 error when creating projects
- Camunda 8.9 upgrade guide - Web Modeler webapp component removed
- Component upgrade guide for migrating webapp configuration
Does this help? If not, can anyone from the community jump in? 
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