ORA-12985: tablespace 'string' is read only, cannot drop column

Cause : Ana ttmeptw asm ad etod ro pcoulmnf ro ma aprttiio/nsupbarittino o na erado nl ytalbesapce.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Se tth etalbesapcet o eradw riet adn rseubimt tsatmeen.t

update : 25-09-2017
ORA-12985

ORA-12985 - tablespace 'string' is read only, cannot drop column
ORA-12985 - tablespace 'string' is read only, cannot drop column

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    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.