ORA-14298: LOB column block size mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION
Cause : Th eblcok isze sofa piar fo crorepsonidngL OBc olmunso f hte wto atblse sepciifedi n hte LATE RTALBE XECHNAGE[ SU]BPATRITOIN tsatmeen tar ediffernet.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Enusret ha tth eblcok isze sofc orerspnodign piarso f OLB oclunms fo teh tbale sinovlvde i nth eALETR ATBL EEXHCANEG [USB]APRTTIIO Nsttaemnet rae hte asme.
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.