The specified file does not contain a valid package and cannot be imported. (APNX-1-4154-000) Error

Question

Hi, 
 I am getting the following error when I try to import and application. How can I find out what the issue is? Or how can I fix it? 
 The specified file does not contain a valid package and cannot be imported. (APNX-1-4154-000) 
 Thanks, 
 Roberta

Mike Schmitt · Accepted Answer

There appears to be an extra unnecessary nested folder in the root directory of your ZIP file. A valid application package zip file will have certain folders immediately at its root, usually "META-INF", "application", "content", "group", etc. 
 In yours, it has all of those but they're under a different top-level folder named "RB Customer Relationship Management" -- almost as if someone extracted the original application package into a folder in Windows, and then created a new zip file including that folder as the top-level, for some reason. As far as I know, this is never the way the ZIP files are created by the Appian export process.

Stewart Burchell · Answer

Hi Roberta 
 It seems your zip file ('RB Customer Relationship Management') contains a folder (also named 'RB Customer Relationship Management') which then contains the Appian content that should be imported. I've looked at a couple of other example Application Exports and it looks like you shouldn't have the containing folder.That is, when you open the zip file you should see the following:

vimalkumars · Answer

Hi robertab0001 , 
 As Mike said the file you have attached seems to have been created outside of Appian. I have attached the zip here with the necessary files. See if that works 
 2816.RB Customer Relationship Management.zip

Mike Schmitt · Answer

What are you attempting to import? Is it something you exported yourself, or got from elsewhere? Is it something you can attempt to re-export?

Mike Schmitt · Answer

I don't know if there's any public-facing explanation for what those error numbers mean (i wouldn't be surprised if it's something fairly generic, though). The only thing I could suggest is maybe attaching your application package here and letting others look at it, assuming there's nothing private/sensitive in the export. 
 In short, the app package needs to be a zip file and inside that, it needs to contain certain files that Appian expects to see. Without more detail (or the file itself) it would be pretty hard to guess what may have happened - a corrupted download, etc.

The specified file does not contain a valid package and cannot be imported. (APNX-1-4154-000) Error

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