A small tutorial by [Modmaker], which explains how to clean-up a decompiled script, to make it usable again. I used as example iipit.int script. Open FSE, decompile the script. Now you've got something like this: No, this isn't compilable script. Only errors, errors and again errors. Delete this: Also delete procedure checkPartyMembersNearDoor. procedure checkPartyMembersNearDoor begin // ............ looooong procedure end Ok now it is much better :wink: Go to Edit --> Find and replace. Find: _op Replace (this leave empty)[/code] Click "replace all". Do the same...