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Error Codes

Description

This is a list of runtime error code numbers returned by the LastError function and text error messages returned by the LastErrorMessage function.

Error #		Error Description
1	ERROR_NOSUCHLABEL	“No such label”
2	ERROR_FOR1	“Illegal FOR – start number > end number”
3	ERROR_FOR2	“Illegal FOR – start number < end number”
4	ERROR_NEXTNOFOR	“Next without FOR”
5	ERROR_FILENUMBER	“Invalid File Number”
6	ERROR_FILEOPEN	“Unable to open file”
7	ERROR_FILENOTOPEN	“File not open.”
8	ERROR_FILEWRITE	“Unable to write to file”
9	ERROR_FILERESET	“Unable to reset file”
10	ERROR_ARRAYSIZELARGE	“Array dimension too large”
11	ERROR_ARRAYSIZESMALL	“Array dimension too small”
12	ERROR_NOSUCHVARIABLE	“Unknown variable”
13	ERROR_NOTARRAY	“Not an array variable”
14	ERROR_NOTSTRINGARRAY	“Not a string array variable”
15	ERROR_ARRAYINDEX	“Array index out of bounds”
16	ERROR_STRNEGLEN	“Substring length less that zero”
17	ERROR_STRSTART	“Starting position less than zero”
18	ERROR_STREND	“String not long enough for given starting character”
19	ERROR_NONNUMERIC	“Non-numeric value in numeric expression”
20	ERROR_RGB	“RGB Color values must be in the range of 0 to 255.”
21	ERROR_PUTBITFORMAT	“String input to putbit incorrect.”
22	ERROR_POLYARRAY	“Argument not an array for poly()/stamp()“
23	ERROR_POLYPOINTS	“Not enough points in array for poly()/stamp()“
24	ERROR_IMAGEFILE	“Unable to load image file.”
25	ERROR_SPRITENUMBER	“Sprite number out of range.”
26	ERROR_SPRITENA	“Sprite has not been assigned.”
27	ERROR_SPRITESLICE	“Unable to slice image.”
28	ERROR_FOLDER	“Invalid directory name.”
29	ERROR_DECIMALMASK	“Decimal mask must be in the range of 0 to 15.”
30	ERROR_DBOPEN	“Unable to open SQLITE database.”
31	ERROR_DBQUERY	“Database query error (message follows).”
32	ERROR_DBNOTOPEN	“Database must be opened first.”
33	ERROR_DBCOLNO	“Column number out of range.”
34	ERROR_DBNOTSET	“Record set must be opened first.”
35	ERROR_EXTOPBAD	“Invalid Extended Op-code.”
36	ERROR_NETSOCK	“Error opening network socket.”
37	ERROR_NETHOST	“Error finding network host.”
38	ERROR_NETCONN	“Unable to connect to network host.”
39	ERROR_NETREAD	“Unable to read from network connection.”
40	ERROR_NETNONE	“Network connection has not been opened.”
41	ERROR_NETWRITE	“Unable to write to network connection.”
42	ERROR_NETSOCKOPT	“Unable to set network socket options.”
43	ERROR_NETBIND	“Unable to bind network socket.”
44	ERROR_NETACCEPT	“Unable to accept network connection.”
45	ERROR_NETSOCKNUMBER	“Invalid Socket Number”
46	ERROR_PERMISSION	“You do not have permission to use this statement/function.”
47	ERROR_IMAGESAVETYPE	“Invalid image save type.”
48	ERROR_ARGUMENTCOUNT	“Number of arguments passed does not match FUNCTION/SUBROUTINE definition.”
49	ERROR_MAXRECURSE	Maximum levels of recursion exceeded.
50	ERROR_DIVZERO	Division by zero.
9999	ERROR_NOTIMPLEMENTED	“Feature not implemented in this environment.”

Example

# test error trapping
onerror nicetrap
print 1
next haha
print 2
open 999, "bogus.file"
print "Runs Anyway"

# test error trapping off and fail at any error (default)
offerror
print 3
next hoho
print "never get here"

end

nicetrap:
# this is the nice error handler
print "trap and run - error on line " + lasterrorline + " - error number " + lasterror + " message " + lasterrormessage + " (" + lasterrorextra + ")"
return

will display

1
trap and run - error on line 4 - error number 4 message Next without FOR ()
2
trap and run - error on line 6 - error number 5 message Invalid File Number ()
Runs Anyway
3
ERROR on line 12: Next without FOR

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