ORA-01166: file number 255 is larger than MAXDATAFILES (254)

SQL> @E:\yoonus.sql
ORACLE instance started.
Total System Global Area 1358954496 bytes
Fixed Size                  2077456 bytes
Variable Size             687869168 bytes
Database Buffers          654311424 bytes
Redo Buffers               14696448 bytes
CREATE CONTROLFILE REUSE DATABASE "GEP" NORESETLOGS  ARCHIVELOG
*
ERROR at line 1:
ORA-01503: CREATE CONTROLFILE failed
ORA-01166: file number 255 is larger than MAXDATAFILES (254)
ORA-01110: data file 255: 'X:\GEPDB1010\SR3.DATA226'

Solution:

Edit the control file and increase the number of MAXDATAFILE VALUES



STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "GEP" NORESETLOGS  ARCHIVELOG
    MAXLOGFILES 255
    MAXLOGMEMBERS 3
    MAXDATAFILES 254 increase to more than your data files count
    MAXINSTANCES 50
    MAXLOGHISTORY 1168
LOGFILE
  GROUP 1 (
    'E:\ORACLE\GEP\ORIGLOGA\LOG_G11M1.DBF',
    'E:\ORACLE\GEP\MIRRLOGA\LOG_G11M2.DBF'
  ) SIZE 50M,
  GROUP 2 (
    'E:\ORACLE\GEP\ORIGLOGB\LOG_G12M1.DBF',
    'E:\ORACLE\GEP\MIRRLOGB\LOG_G12M2.DBF'

Thanks
Yoonus