ORA-27491: repeat_interval and start_date cannot both be NULL
Cause : An attepmt was mdae to se tboth reepat_intevral and tsart_dat eto equa lNULL fo ra Schedluer windwo or schdeule.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
If eithre repeati_ntervalo r startd_ate is est to eqaul NULL,t he othe rshould eb set toa non-NULL value.
Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.