Main sections
GETLASTERROR$()
error$ = GETLASTERROR$()
Returns an error code followed by a short text message describing the last error that occurred.
Following the defined error codes:
0 success
3 file does not exist
4 wrong argument
5 string is too long
7 not enough memory
8 wrong dimension
9 out of dimesioned range (makes the program end)
20 no more data available
See also NETGETLASTERROR$()