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ERROR MESSAGES
28. 2 -- Standard Command Errors
**
23 CHECKSUM ERROR
A
binary
record
or
an
ASClI-converted-binary
recorrl was read
~hose
calculated checksum did not
agree
with
the
checksum
byte contained in the
record.
This
error
can
also
occur
during
the
FDR
pro
c e s
5
in
9
0
f
the
. OPEN fun c t ion.
I
r
the
Til e
format mode is specifiedl and the device is
read
in
search
of
an FDRJ any record that begins with
the
FDR
heade~
character
out
which is
not
an
FDR
(e. ; . .
c'!'eated
in
non-file
format
mode) will
cause this error.
**
24 LOGICAL SECTOR NUMBER OUT OF RANGE
An attempt was made
to
read
a
logical
sect~r
beyond
the
physical
end
of
the
file.
The
physical end
of
the file is the highest
numbered
logical sector allocated to the file.
This error
can also be
caused
if
the
IOCSDW
and
IOCSLS
entries
of
the
IaCB
are changed by the calling
program after the
file has
been opened.
**
25 INVALID FILE NAME
A file
.name
was
family
indicator
indicator
(#)J
or
c harse
tel'.
specified
that
contained
the
(*)J'
began lJJith a device name
began
with
a
non-alphabetic
The
NAME
command
(Chapte~
20) limits the use of
the
~amily
indicator.
Failure
to
do
sa
may
result in this
er~or.
**
26 FILE 15 WRITE PROTECTED
An
attempt
was
made to write into
a
file which
has the write protection
attribute
set
in
its
directory entry.
This
er~or
can
also be caused by attempting to
open a diskette file in
tne
update
mode
which
already has the write protection bit set.
**
27
<name~
IS WRITE PROTECTED
The
Tile
<name>
had
the
write
protection
attribute set in
its
dire~tory
ent~y
when
an
attempt lJJas made to write to the
~ile.
.~,
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