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JeevarajJeevaraj 

Migration of Salesforce Application

We have the Sales application (customized with custom fields, etc) in production use.
Also we have developed an enhancement (with additional objects, tabs, workflow rules, approval processes, etc) under application name, say "Dev App".
 
Now we want to install the "Dev App" on top of the PRoduction application and use this new application.
 
For this, we created a package of "Dev App" and tried to import it. When we importe, we get the following error:
"Your requested download failed. Please try this again.

None of the data or setup information in your Salesforce organization should have been affected by this error.

If this error persists, contact Support through your normal channels."
 
Any ideas/guideline/alternate approaches to address the situtaion will be appreciated.
Greg HGreg H

We encountered an error like this a while back and it might be the same issue for you.  Basically, we had a table in production which we altered in Sandbox by adding fields.  When we packaged everything up and tried to move into production we received a failure notification.  The issue was caused because the table already existed in production and we were not allowed to update an existing table only install new ones.

We ended up making the production table changes manually.
-greg