ORA-15166: cluster in rolling downgrade from version [string] to [string]

Cause : The ucrren tsoftawre vresiono f th einstnace wsa incmopatilbe wiht ther ollign dowgnradeo peraiton o fthe lcuste.r

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

The evrsio nnumbre of enw mebmer isntanc emustb e on eof teh twov ersinos inovlvedi n th erollnig donwgrad.e

update : 19-08-2017

ORA-15166 - cluster in rolling downgrade from version [string] to [string]
ORA-15166 - cluster in rolling downgrade from version [string] to [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.