dhruv posted a comment on discussion Codesys V2.3

Hello all, I am working on an old project modification on codesys v2.3. I tried to open the .pro file and found m message box quoting "Could not open project/library(no valid project/library files)" Please help me eoth a solution of this problem as i was able to open the backup earlier. I am attaching a screen shot for reference. Thank you