Has anyone else encountered an HTTP Code: 500 error while editing an Interface containing only a gridRowLayout?
I have seen this occur several times across multiple different applications. All applications were local installs.
The interface object becomes no longer accessible from the application in /design. The only solution I've found is deleting the object and remaking it.
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alexandral I just made an experiment, don't insert a!dropdownField. Add a!dropdownField().
Root cause is that when you add a component name (here a!dropdownField) without brackets this will cause this pink error with HTTP Code : 500.
Solution when you type the component name either select the component from the suggestion or type the name with brackets.
Look at the attachment I have reproduced the error with a!textField.