While i am inserting the data in custom object through Visual force page, i am facing below error.
System.DmlException: Insert failed. First exception on row 0; first error: ENTITY_IS_DELETED, entity is deleted: 
Please help me out to resolve the above issue
I would like to be able to call the SF Metadata API from Apex code in my custom app.
I went to Setup/App Setup/Develop/API and clicked on 'Download Metadata WSDL' and saved it to my hard drive.
Then I went to Setup/App Setup/Develop/ApexClasses and clicked on the 'Generate from WSDL' button. For Step 1, I navigate to the Metadata WSDL that I just saved and click 'Parse WSDL.' This takes me to the Step 2 screen where I then click on the 'Generate Apex code' button.
This takes me to the Step 3 screen which shows this error:
Apex generation failed.Error message:
Error: Class name 'Metadata' already in use. Please edit WSDL to remove repeated names
Does this error mean that what I am attempting to do is not allowed? If it is allowed, how do I get around this error.
Any help would be appreciated.