Problem in creating an index

hi every1,
i am creating index first time, on a table consisting of 3,000,000 rows ( 3 million ) but it cant be created my query and error is as below
SQL> ;
1* create unique index idx_spda on day.spda(mcode,mdetail,sdate)
SQL> /
create unique index idx_spda on day.spda(mcode,mdetail,sdate)
ERROR at line 1:
ORA-01157: cannot identify/lock data file 201 - see DBWR trace file
ORA-01110: data file 201: 'E:\ORACLE\ORADATA\LAQ1\TEMP01.DBF'
it cant even create on a single column
can any1 help me
Regards
M. Laeeque A.

Hello,
Once temp created and set it as default run your query again
CREATE TEMPORARY TABLESPACE TEMP02 TEMPFILE '\mypath\TEMP02.dfb' SIZE 512M AUTOEXTEND ON NEXT 256M MAXSIZE 8192M EXTENT MANAGEMENT LOCAL;
ALTER DATABASE DEFAULT TEMPORARY TABLESPACE TEMP02Regards

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