This is due to the different versions of the exported dmp file and import database caused
by Notepad ++ to see the dmp file, you import the modified version of the target database in the head with a
version number corresponding to the following:
11g R2: V11.02.00
11g R1: V11.01.00
10g:V10.02.01
Solving steps:
1, check the version number dmp file
2, the query import oracle database version number
By select * from v $ version check the version number, as shown below
3, modify the dmp file version number
4, re-execute the import sql import to complete the work.