Commodore VIC-20 Programmer's Reference Manual page 289

APPENDIX H
ERROR MESSAGES
This appelldix contains a complete list of the error messages generated
by the VIC, with a description of the causes.
BAD DATA Stong data was received from an open file, but the program
was expecting numeric data.
BAD SUBSCRIPT The program was trying to reference an element of an
array whose number is outside ot the range specified in the DIM statement.
CAN'T CONTINUE The CONT command will not wol'1<, either because
the program was never RUN, there has been an error, or a tine has been
edited.
DEVICE NOT PRESENT The required 110 device was not available for
an
OPEN, CLOSE, CMD, PRINT#, INPUTN,
or
OET#.
DIVISION BY ZERO Division by zero is a mathematical oddity and not
allowed.
EXTRA IGNORED Too many items 01 data were
typed
In response to an
INPUT statement. Only the lirsl few items were accepted.
FILE NOT FOUND If
you were
looking
for a
tile on tape, and
END-OF-TAPE
marker
was found.
If
you were looking on disk, no file with
that name exists.
FILE NOT OPEN The file specified In a CLOSE. CMD, PAINT#".
INPUT#", or GETf', must first be OPENed.
FILE OPEN An attempt was made to open a file using the number of an
already open file.
FORMULA TOO COMPLEX The string expression being evaluated
should
be
split into at least two parts for the system to work with.
ILLEGAL DIRECT The INPUT statement can only be used within a
program, and not In direct mode.
ILLEGAL QUANTITY A number used as the argument of a function or
statement Is out of the allowable range.
LOAD There is a problem with the program on tape.
NEXT WITHOUT FOR This is caused by either Incorrectly nesting loops
or having a variable name in a NEXT statement that doesn't correspond
with one In a FOR statement.
NOT INPUT FILE An atlempt was made to INPUTorGET data from atile
which was specified to
be
for output only.
NOT OUTPUT FILE An attempt was made to PRINT data to a file which
was specified as Input only.
OUT OF OATA A READ statement was executed but there Is no data left
unREAD In a DATA statement.
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