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I'm trying to deploy my spfx app to the app catalog and after I upload it it appears in the app catalog in the 'Unavailable Apps' view with the Error message :

Invalid SharePoint App package. Error: Unable to cast object of type 'Microsoft.SharePoint.ClientSideFramework.SPClientSideComponentMetadata' to type 'Microsoft.SharePoint.ClientSideComponent.SPClientSideComponentMetadata

I've deployed the app many times previously and it worked. What does this message mean?

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can you provide more details on what the solution package actually contains and what kind of tenant you are using? - Just to understand how to create repro and solve the issue. Thx.

There should not be any changes on the normal tenants in the context of client-side web parts.

Thx for the additional details advance, will help us to narrow down the issue.


Apparently we should have already fixed this in the SPO side, based on the discussion in following entry at MS Tech Community - https://techcommunity.microsoft.com/t5/SharePoint-Developer/Invalid-Package-Sharepoint-Framework-Extensions/m-p/75585#M2576.

  • Its a production tenant on first release. Its an spfx webapart,. Was trying to set up external libraries, but it doid not work, so I backed off the external library changes and then hit this issue. not sure if its related. – russellg Jun 8 '17 at 12:27
  • Hey @russellg - are you working now? – PatMill_MSFT Jun 8 '17 at 21:04
  • yes, rolled back to previous version and its fine, rganks for follow up – russellg Jun 9 '17 at 10:31

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