The copy of this project in the Local Project Cache may be damaged. Try the operation again} If the problem persists, some ...

{The copy of this project in the Local Project Cache may be damaged. Try the operation again} If the problem persists, some possible options to try include:

\- Use a backup copy of the project
\- Remove the damaged project from the cache, and then try opening it again from the server. If you do this, you will lose the changes you have made to the project.