Working Copy Path Error

I'm completely stuck. I checked out the contents of a repository and
proceeded to manipulate the files and directories (moves, deletes,
etc.). I've now commited almost all of the changes, but I have two
errors that I can't figure out how to get around:

1. In an attempt to "fix" an error I was receiving earlier on a
particular directoy, I simply deleted that directory on the file
system since I had made no changes to it since the last commit. The
intent, then, was to updated the parent to get the latest from the
repository. When I try to do that, though, I get a message that
"Working copy path 'mod/foo.php' does not exist in the repository.
Being the curious guy that I am, I browsed to the repository
and...sure enough...there it was. It's there, so what can be causing
that message?

2. I modified a different file and need to commit it. When I do so,
however, I get this error: Entry for 'path/to/my/file' is marked as
'copied' but is not itself scheduled for addition. Perhaps you're
committing a target that is inside an unversioned directory? I'm not.
 Everything is updated and unchanged.

I've tried these actions in TortoiseSVN and from the Cygwin and DOS
command lines. Is there any way out of this?

Thanks.

-- 
Rob Wilkerson
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