cannot open file 'filename' [: reason]

BSCMAKE could not open the given file. This message may be followed by a message from the operating system, giving additional information.

One of the following may have occurred:

• The file was locked by another process. If reason was Permission denied, the browser in the development environment might be using the file. Close the Browse window and repeat the build.
  
  
• The disk was full.
  
  
• A hardware error occurred.
  
  
• The specified output file had the same name as an existing subdirectory.