Install error: check disk space

When installing Server Express and you get n error: install error: check disk space and it appears you do have diskspace then you can find out more why you got this error by doing a:

sh -x install

in this case it returned:

Please confirm your understanding of the above reference environment
details (y/n): read YN
y
'[' y = y -o y = yes -o y = Yes -o y = Y -o y = YES ']'
return 1
env_ans=1
'[' 1 '!=' 1 ']'
LD_LIBRARY_PATH=/opt/microfocus/cobol/lib:
export LD_LIBRARY_PATH
SHLIB_PATH=/opt/microfocus/cobol/lib:
export SHLIB_PATH
LIBPATH=/opt/microfocus/cobol/lib:
export LIBPATH
bin/cobconvstrtest -s
case $? in
test '!' -f etc/cobver
trap 'trap  0; /opt/microfocus/cobol/./bin/cobgetmsg -s2 -p/opt/microfocus/cobol/. -e install.lng 5; exit 1' 2 3 14 15
set -e
trap '/opt/microfocus/cobol/./bin/cobgetmsg -s2 -p/opt/microfocus/cobol/. -e install.lng 6; exit 1' 0
cd /opt/microfocus/cobol
LD_LIBRARY_PATH=/opt/microfocus/cobol/lib:/opt/microfocus/cobol/lib:
export LD_LIBRARY_PATH
chmod 755 /opt/microfocus/cobol
test -d /opt/microfocus/cobol/lib
cd /opt/microfocus/cobol/lib
SEARCHDIR=/usr/lib
SEARCHDIR2=/lib
SEARCHFILE=libc
test '!' -f /usr/lib/libc.a -a '!' -f /lib/libc.a
GCCINCDIR=
GCCLIBDIR=
GCCLIBDIR64=
BLTLIBDIR=/usr/lib64/gcc/x86_64-suse-linux/4.1.2
BLTLIBDIR32=/usr/lib64/gcc/x86_64-suse-linux/4.1.2/32
'[' -d /usr/lib/gcc/i586-suse-linux/4.1.2 ']'
'[' -d /usr/lib/gcc/i586-suse-linux/4.3 ']'
'[' -d /usr/lib64/gcc/x86_64-suse-linux/4.3 ']'
GCCLIBDIR=/usr/lib64/gcc/x86_64-suse-linux/4.3/32
GCCINCDIR=/usr/lib64/gcc/x86_64-suse-linux/4.3/32/include
'[' -f /opt/microfocus/cobol/etc/cobopt ']'
'[' x./usr/lib64/gcc/x86_64-suse-linux/4.3/32 '!=' x. ']'
chmod 644 /opt/microfocus/cobol/etc/cobopt
ed /opt/microfocus/cobol/etc/cobopt
/opt/microfocus/cobol/./bin/cobgetmsg -s2 -p/opt/microfocus/cobol/. -e install.lng 6

install error, check disk space/permissions and try again
exit 1

The "ed" package on this machine wasn't installed and once it was on the platform the installation worked without any issues.