After a day of work next morning I see a duplicate of a <CustomCode> component which I saved the previous day and it is nexted inside itself. See the screenshots of how it looks like and what's expected.
App ID: yupVz53o
Screen ID: 4Wh30abp
Time of incident: between 21.07.22 23:00 and 22.07.22 11:00 CEST