When I click on a specific App View in my DB, I get an error screen

Application ID: 4A47197B-AE30-FA84-FF56-0071F4010900

Cannot convert undefined or null to object
TypeError: Cannot convert undefined or null to object
    at Function.keys (<anonymous>)
    at he (https://develop.backendless.com/static/js/bundle.d7bc2d18.js:2:744746)
    at https://develop.backendless.com/static/js/4389.b07ff6cb.js:1:19973
    at ms (https://develop.backendless.com/static/js/bundle.d7bc2d18.js:2:6054418)
    at dl (https://develop.backendless.com/static/js/bundle.d7bc2d18.js:2:6111530)
    at ac (https://develop.backendless.com/static/js/bundle.d7bc2d18.js:2:6098447)
    at ic (https://develop.backendless.com/static/js/bundle.d7bc2d18.js:2:6098375)
    at rc (https://develop.backendless.com/static/js/bundle.d7bc2d18.js:2:6098238)
    at Kl (https://develop.backendless.com/static/js/bundle.d7bc2d18.js:2:6095396)
    at Fr (https://develop.backendless.com/static/js/bundle.d7bc2d18.js:2:6038674)

Problem description

WHen I click on a specific app view, I get an error screen

Hello, @Andreas_Marinopoulos,

please clear the Local Storage and try again.

Regards,
Olha