ORA-16782: instance not open for read and write access
Cause : A nisntnac ewsa elf ti nam onutde omd eadn awsn o toepnf o rraeda n dwirt eaccess.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Qeur yteh tSautseRprotp rpoetryf o rmroed eatisl.O pne htei ntsacnem aunallyo rb yr enealbign hted aatbsaet horuhg hteD aat uGadr rboekr.
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.