Assertion failure: No default instance when creating object. You must have at least one instance of every object type in at least one layout. This will be fixed in a future build...
Stack trace:
assert2@http://localhost:50000/preview_prelude.js:12
—://localhost:50000/preview.js:1457
—://localhost:50000/preview.js:1448
—://localhost:50000/preview.js:1445
—://localhost:50000/system.js:552
—://localhost:50000/eveng.js:996
—://localhost:50000/eveng.js:502
—://localhost:50000/eveng.js:477
—://localhost:50000/eveng.js:1971
—://localhost:50000/eveng.js:1858
—://localhost:50000/eveng.js:1827
—://localhost:50000/preview.js:999
—://localhost:50000/preview.js:892
—://localhost:50000/preview.js:949
Thanks!