Ionic studio: error opening (importing) existing project

Hi there !
Trying to open an existing ionic-capacitor project with Ionic Studio, I get a cryptic

Ionic Studio v0.0.58 - 2019-05-15T08:34:00.981Z

TypeError

TypeError: Cannot read property 'name' of null
    at file:///Applications/Ionic%20Studio.app/Contents/Resources/app.asar/www/build/app/chunk-2052a46c.es5.js:1:256445
    at Array.find (<anonymous>)
    at file:///Applications/Ionic%20Studio.app/Contents/Resources/app.asar/www/build/app/chunk-2052a46c.es5.js:1:256396
    at file:///Applications/Ionic%20Studio.app/Contents/Resources/app.asar/www/build/app/chunk-2052a46c.es5.js:1:3996
    at Object.next (file:///Applications/Ionic%20Studio.app/Contents/Resources/app.asar/www/build/app/chunk-2052a46c.es5.js:1:4101)
    at file:///Applications/Ionic%20Studio.app/Contents/Resources/app.asar/www/build/app/chunk-2052a46c.es5.js:1:3039
    at new Promise (<anonymous>)
    at F (file:///Applications/Ionic%20Studio.app/Contents/Resources/app.asar/www/build/app/chunk-2052a46c.es5.js:1:2816)
    at file:///Applications/Ionic%20Studio.app/Contents/Resources/app.asar/www/build/app/chunk-2052a46c.es5.js:1:256297
    at Array.map (<anonymous>)

Did someone else experiment such an issue ?