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Monday, December 17, 2012

'Add Solution': Cannot access a disposed object - SharePoint Project

Something I've seen a few times - specifically when using a project that came from a Source Control tool like TFS. 

First, you may get errors attempting to edit parts of the project - the cause of this is simple: some files are read only due to the source control. Simply right click on the Project Folder in Windows Explorer and un-check the Read Only flag and apply to all sub-folders and files.

Second, in attempting to deploy the project, you get an error like:

Error occurred in deployment step 'Add Solution': Cannot access a disposed object.
Object name: 'SharePointProjectItemFile'.

This is turns out is a simple issue - simply close the project and re-open it and the error should go away (double check the first issue if it does not work the second time).
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