Checking ADS Configuration in an ABAP Environment 
In specific cases, the configuration tool might not be able to perform all the basic ADS configuration steps. Use the test program to make sure that the configuration steps are complete and to verify, which ones you need to perform manually.
Prerequisites
An output device for printing PDF-based forms is configured.
More information: SAP Printing Guide (BC-CCM-PRN)
Procedure
1. Use the ADS configuration test program
Log on to the AS ABAP system.
Start the transaction SA38.
Enter the program name FP_TEST_00.
Choose
Program 
Execute (F8) 
.Make sure, that the following default values are entered in the respective fields:
Form: FP_TEST_00
ADS Connection: ADS or the RFC Destination name specified in your system (if it does not correspond to the default entry)
Choose
Program Execute (F8) .Enter the Output Device.
Choose Print Preview.
If the system displays a form containing several lines on two pages, the ADS configuration is correct. Otherwise, perform the tests described below.
2. In case the ADS configuration is not correct, perform the following test manually:
Check the RFC Destination needed to establish the connection between the Forms Processing Framework on the AS ABAP and the ADS on the AS Java.
More information: Checking the ABAP Connection to ADS
Check whether the user, the security role and passwords are correct and basic authentication is possible.
More information: Checking the User and the Password
Check the settings of the destination service.
More information: Checking the Destination Service
More Information
SAP note 944221 (Trobleshooting)