To Configure the System for Field Exits.

• If System doesn't configure for Field Exits , then it through's following message.

Solution

• Go to Transaction Code RZ10 ( Edit Profiles ).

• Select Profile as Default using F4 help and Click on Extended Maintenance Radio button .
• Click on Change .

• Click on Create Parameter.

• Enter the Parameter name as " "abap/fieldexit" and  Parameter Value as " YES".

• Click on Back button.
• Pop-up will appear.
• Click on Yes.

• Check the status bar.

• Click on Back.
• Pop-up will appear.
• Click on Yes.

• Click on Back.

• Click on Yes.

• Restart the System.