Hot answers tagged error
3
Since you are trying to update item on ItemUpdated event you will get this error because another Update event was already in progress so you need to turn off EventFiring before calling SystemUpdate().
Example:
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPWeb web = properties.OpenWeb())
{
var list = ...
1
The user you are running Visual Studio with should at least have read permissions on pages of the SharePoint web where you are trying to deploy your app. (Easiest would be to add the user to the visitors or members group like described here: ...
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