File already open
Updated: July 20, 2015
For the latest documentation on Visual Studio 2017 RC, see Visual Studio 2017 RC Documentation.
Sometimes a file must be closed before another
FileOpen or other operation can occur. Among the possible causes of this error are:
A sequential output mode
FileOpenoperation was executed for a file that is already open
A statement refers to an open file.
- Close the file before executing the statement.