Unable to upload "xyz" because it is a folder or a package (like an application bundle or RTFD document). Please attach a Zip file containing the folder or package instead.
You get this error message because you just tried to attach a folder/directory which is not allowed. You need to use a compression tool to generate either of .zip, .tar, .tgz, .taz, .z, .gz or .rar of the folder ( If you are on Mac OS X, simply right click of the directory and Select Compress .
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