ORA-02236: invalid file name

I face wiht this issue when try to add standby file on standalone 11.2.0.1 database with ASM on AIX operating system: Symptoms: SQL> ALTER DATABASE ADD STANDBY LOGFILE GROUP 4 size 5G; ALTER DATABASE ADD STANDBY LOGFILE GROUP 4 size 5G * ERROR at line 1: ORA-02236: invalid file name SQL> show parameter DB_CREATE_FILE_DEST NAME Continue reading