Steps to reproduce:
1. create CT with ezobjectrelationlist field (CT1)
2. go to dashboard
3. click '+Create' button
4. select root folder ("Welcome to eZ (...)")
5. click on '+' button
6. select CT1 from list
7. click 'Create' button
8. click 'Select content' button
9. repeat steps 4-8 2x more times

Actual result:
Grey loading screen appears, also no error message.

Expected result:
Error message, information that infinite loop with ezobjectrelation/list fields is not advised