ORA-08102 while creating a view
File 1 belongs to the SYSTEM tablespace.
Objects with such low id as 39 are dictionary objects. For example in my database it is an index of OBJ$ (I_OBJ4). ORA-08102 also points us towards an index, which seems to be corrupt based on the error you get.

Find the index name by:

select object_name from dba_objects where object_id = 39;


Unfortunately you will not be able to rebuild this index (ORA-00701), but you can recreate it:

shutdown immediate
startup upgrade
alter session set nls_length_semantics=byte;
@?/rdbms/admin/utlmmig