The reason of the issue is the corrupt ion of files.

Micro Focus advise customers to save the files and to restore the saved files after the issue .

Two solutions :

1/ Using  the Enterprise Server Administration options  EXPORT / IMPORT

To use EXPORT option evenly

After the issue

rm –r $COBDIR/etc/mfds/*

mfds &

To use IMPORT option to recover all files

2/  Using operating system command tar

cd $COBDIR/etc

tar cvf /home/SAUV.tar   mfds      ( to sav in /home/SAUV.tar )

After the issue

rm –r $COBDIR/etc/mfds/*

cd $COBDIR

tar xvf /home/SAUV.tar   

mfds &