Failure of OS command in Process Chain

Hi All,
I have OS command in a process chain. Sometimes this process gets failed and sometimes it is completed successfully.
When it fails following message appears in Process Chain Maintenance Log View:
==== Output of System Commands: Repeat # 0 ====
mv: cannot stat `/usr/sap/transBD1/upload/BP1/StockPosition/StockPosition_BNL.txt': No such file or directory
External program terminated with exit code 1
Kindly reply if anyone has any idea about it.
Many Thanks in advance.!
Regards,
Swati Ramteke

Hi Vikram and Srinivas
In the process chain, file is first loaded to cube from the specified path. There is no problem in loading, it is completing successfully.
Next, this file is archived from specified path to archived folder by OS Command.
OS Command is:
#!/bin/ksh
FILEDATE=`date +%m%d%y`
mv /usr/sap/transBD1/upload/BP1/StockPosition/StockPosition_BNL.txt /usr/sap/transBD1/upload/BP1/StockPosition/processed/StockPosition_BNL.$FILEDATE
The file is archived successfully in processed folder but OS command process in process chain is getting failed with mentioned error in previous thread.
Regards,
Swati

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