Appendix A: Runtime error codes Code Meaning 0 Success 1 Trying to access illegal memory 2 Error opening file 3 Could not open library 4 Symbol not found in library 5 Wrong hexvalue 6 Unable to claim memory 7 Unable to delete file 8 Could not open directory 9 Unable to rename file 10 NETWORK argument should contain colon with port number 11 Could not resolve hostname 12 Socket error 13 Unable to open address 14 Error reading from socket 15 Error sending to socket 16 Error checking socket 17 Unable to bind the specified socket address 18 Unable to listen to socket address 19 Cannot accept incoming connection 20 Unable to remove directory 21 Unable to create directory 22 Unable to change to directory 23 GETENVIRON argument does not exist as environment variable 24 Unable to stat file 25 Search contains illegal string 26 Cannot return OS name 27 Illegal regex expression 28 Unable to create bidirectional pipes 29 Unable to fork process 30 Cannot read from pipe 31 Gosub nesting too deep