Grant permissions for Package Body
grant debug on user_1.package_1 to user_2;
From here: https://dba.stackexchange.com/questions/118912/how-do-i-set-permissions-for-package-body
sdmrnv, 2019-08-28 [0.431ms, s]
grant debug on user_1.package_1 to user_2;
From here: https://dba.stackexchange.com/questions/118912/how-do-i-set-permissions-for-package-body