Hi Ganesh,
If you catch the exception it will be more helpful for you.
Declaration Part :
CLASS-METHODS : get_data
IMPORTING VALUE(ip_begda) TYPE char8
VALUE(ip_endda) TYPE char8
EXPORTING VALUE(et_out) TYPE gt_out
RAISING cx_amdp_error.
Implementation Part:
TRY.
CALL METHOD zcl_dbp=>get_data
EXPORTING
ip_begda = lw_begda
ip_endda = lw_endda
IMPORTING
et_out = gt_out.
CATCH cx_amdp_error INTO DATA(lt_amdp_error).
lw_text = lt_amdp_error->sql_message.
ENDTRY.
Note : In lt_amdp_error- you can get more information
-Amol S