You tried to add a package without a IDT path value, or you deleted the IDT path value while editing the package. 
                  	 
 
            	 
             
               		Resolution: 
                  		
               		
               You can resolve this issue by specifying an IDT path value: 
                  		
               
 
               		
                
                  		  
                  - Open the Enterprise Server Administration page. 
                     		  
                  
- In the 
                     			 Status column, click 
                     			 Details. 
                     		  
                  
- Click the 
                     			 Packages tab. 
                     		  
                  
- Next to the package that requires an IDT, click 
                     			 Edit. 
                     		  
                  
- In the IDT field, type the platform appropriate file path to the IDT file. 
                     		  
                  
- Click 
                     			 OK.