Hello, unfortunately not helped i tried several times... For me, that bug happened when i wanted to go from Corona6 to Corona6 hotfix2 ( if i remember correct) and i went back to 6 version.
Update, i tried to instal corona4.1 and it's working perfectly, i have no idea what is wrong for me with 6.2 and now 7. i will need to go back to version 6 till i find the bug.