That is quite possible, i have never run a IDOC script not looked at this one in particular but a lot of times with scripts you have to custom them to your needs, change a thingy here or there, make this work for you, change wait times, add some itemid's etc. It becomes trial and error then the fun part is remembering it when a new update comes out for the script your working on lol. But all i can say is try replacing it and see what happens?