ORA-23500: cannot switch master for a multi-tier materialized view repgroup "string"."string"

Cause : nAa ttmetpw sam da eots iwct hamtsref roa m tareaiilez divwer perguo phwnei stp rane tergporpui slaosa m tareaiilez divwer perguo.pT ih ssin toa llwode.

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

rDpoa dnr ceerta eht eametirlazidev ei wergporpub sadeo n arpporep rane tergporpu.

update : 26-05-2017
ORA-23500

ORA-23500 - cannot switch master for a multi-tier materialized view repgroup "string"."string"
ORA-23500 - cannot switch master for a multi-tier materialized view repgroup "string"."string"

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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.