Tandy 1000 Basic Reference Manual page 372

Chapter 12 I Error Messages
Disk Errors
Number
50
51
52
53
54
55
57
58
Mess age
FIELD overflow
A
FIELD statement is allocating more bytes than
the specified record length of the direct access file.
Internal error
An internal malfunction has occurred in BASIC.
Report to Radio Shack the conditions under which
the message appeared.
Bad file number
BASIC encountered a reference to a buffer number
that is not open or is out of the range of the number
of files specified when BASIC was loaded.
File not found
A LOAD, KILL, or OPEN statement references a
file that does not exist on the current disk.
Bad file mode
An attempt was made t o use PUT, GET, or LOF
with a sequential file, to LOAD a direct file, or to
execute a n OPEN statement with a file mode other
than I,
0,
R, E or D.
File already open
BASIC encountered a n OPEN statement for sequen-
tial output, or a KILL statement, for a file that is
already open.
Device I/O Error
An Input/Output error occurred. This is a fatal er-
ror; the operating system cannot recover it.
File already exists
The filename specified in a NAME statement is
identical to a filespec already in use on the disk.
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