>>>Hi all:
>>>
>>>The subject error message shows up when I was building the project. What should I consider checking.
>>>
>>>Thanks in advance.
>>
>>Try to copy entire project into another directory and recompile. I had the same error few times and it lead to some files corruption, so I have to restore from archive. You can not tell, which file gives the problem from this dreadful message...
>
>Hi Nadya - Do you mean copy the offending .pjx and .pjt files only to another directory and recompiling them?
>
>Thank you for your response.

I mean the whole project directory including PJX/PJT You have to find the file, which is now corrupted. You may try to open every file in the project and see, if you can modify it...