How do you run a 3GL script in version 5 (ERP)

Run Program and then specify the script preceded by an "o".

I tried running from the run command window with the "o" preceding as in "oaabbbXXXXcXXX" but still get the error message "Can not run as a main program". Are there security settings for the user which can prevent users from running 3GL programs?

You need a function main() in it. That is the entry point.

Thank you sir! And the thing is - i knew that - but for some reason I did not notice the script generator gave me a script with one function called some_function(). I totally forgot to rename it "main()". But your answer fixed the problem. Thank you again.