Can not open new and old interface


It happens whenever I create a new interface and open the old one. Does anyone know why for this?
i can not see my notes now

i use window10

Please resubmit this bug report and make sure that: 1) you follow the bug report template, 2) you use the default theme (no css) and 3) there are no third-party plugins enabled (You can use the sandbox vault for 2 and 3).