Hi all, i have created a simple event receiver which contains code for itemupdate & which has to be attached with a sharepoint 2010 custom list, when i m trying to deploy this receiver i m getting the following error any idea why? Error occurred in deployment step 'Activate Features': Operation is not valid due to the current state of the object. just to verify if there is any mistake in my code i have created another receiver in which i have selected the custom list and item from the wizard, the receiver contains no code but i m facing the same problem again. CHAMPION