Sue Hernandez's SharePoint Blog

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Error occurred in deployment step ‘Activate Features’: Operation is not valid due to the current state of the object

SharePoint 2010 and Visual Studio 2010.

I added an Event Receiver to a new Visual Studio 2010 project.  Very simple.  It was of type EmailReceived but I don’t think that matters in this case.  I went to deploy the project and got the following error message:

“Error occurred in deployment step ‘Activate Features’: Operation is not valid due to the current state of the object”

Apparently reading up on many people’s posts this can be many things.  Turns out mine was because I did something so normal:  I renamed the namespace and the class name of the class.  Well apparently when I did that, I got out of sync with the automatically generated Elements.xml – which I couldnt’ find at first.

So pop open your “EventReceiver1” file in solution explorer – expand the files underneath it by pressing the + sign.  Double-click the Elements.xml file.  You will see something like this:

<?xml version="1.0" encoding="utf-8"?>
<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
   <Receivers ListTemplateId="101">
      <Receiver>
         <Name>
EventReceiver1EmailReceived</Name>
         <Type>EmailReceived</Type>
         <Assembly>$SharePoint.Project.AssemblyFullName$</Assembly>
         <Class>YourProjectNameHere.EventReceiver1.EventReceiver1</Class>
         <SequenceNumber>10000</SequenceNumber>
      </Receiver>
   </Receivers>
</Elements>

My problem was the <Class> element.  I had renamed my namespace to MyNamespace and my project to MyProjectName.  So my class should have been MyNamespace.MyProjectName.  That was it.

Easy

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25 responses to “Error occurred in deployment step ‘Activate Features’: Operation is not valid due to the current state of the object

  1. AMG September 20, 2011 at 11:15 am

    Great, tsx! Save my time a lot!

  2. sayitfst October 10, 2011 at 8:18 pm

    Thank You!!!

  3. Jon October 25, 2011 at 3:25 pm

    Thanks for this post. Saved some time!

  4. chungtran November 3, 2011 at 4:39 am

    Thanks! It’s help me a lot.

  5. Lori January 25, 2012 at 3:10 pm

    Great post — thank you!!

  6. Alejandro February 6, 2012 at 1:06 pm

    This was my problem too, thanks!

  7. Sachira March 11, 2012 at 9:02 am

    Great one. Thanks. Saved lots of time

  8. Mohamed Ramadan March 25, 2012 at 10:04 am

    Too many thanks. It solved my problem

  9. Rashmi April 2, 2012 at 12:05 pm

    Thank you for the post. It solved my problem too.

  10. Abdul-Rahman May 9, 2012 at 4:35 am

    Thanks a lot 🙂

  11. bkwdesign May 11, 2012 at 3:54 pm

    that was it for me, too! I’ve seen this before in my work, but, it had been a while and I forgot. Thanks for the reminder!!!

  12. Bob June 13, 2012 at 8:13 pm

    THANKS!! Exaclty the same problem

  13. Marcos Sánchez July 16, 2012 at 4:10 pm

    Thanks again!!!

  14. gunjan September 10, 2012 at 2:47 am

    Thanks a lot..The same problem i also faced today and the cause behind that..

  15. Guy February 5, 2013 at 7:27 pm

    That did it! Thanks.

  16. Mahesh February 28, 2013 at 4:05 pm

    Thanks. Saved lot of time.

  17. Kurt April 9, 2013 at 1:12 pm

    Thanks a lot, I renamed the namespace as well, and couldn’t figure it out.

  18. arul April 25, 2013 at 4:02 am

    Tks , its solved my issue.

  19. Robert May 30, 2013 at 2:02 pm

    for me it was that after I switched my project from “all CPU” to X86. I got that error, even if I switched back. had to close the project and delete the “obj” folder.

  20. Mike October 9, 2013 at 7:35 pm

    This old post saved me…! Thanks!

  21. daverstuart February 12, 2014 at 2:41 pm

    Thanks Sue! Helped me out big time too!

  22. nooby September 29, 2015 at 9:55 am

    Thanks, you saved me there i was considering to recreate the whole project =/

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