LibraryCreator Error

I am trying to create some lights using Gmax. I am not sure if my method is correct so any additional help anyone can give would be gratefully received.

I have tried the light materials method. I create a lamppost, create a transparent material and call it Light_Logo (I have tried all the variants as well), apply the material etc (I do not name the part to which the material is applied). The mdl compiles but when I try either to run it through MDL Tweaker or LibraryCreator I get the error messages displayed on the attached screen shots.

I have tried creating a ligth using the effect option too. I can get the ligth effect to dispay on its own but when I try and attach it to a lamppost and export it, I get the same errors as on the attached.

Can anyone tell me what I am doing wrong?
Last edited:


Staff member
FSDevConf team
Resource contributor

Which gamepack are you using?

The error in MDL Tweaker indicates that it is probably not a valid Fs2004 scenery MDL. Could be that you are using an aircraft MDL or maybe a FsX MDL, but these are not supported by the tool.

The error in Library Creator XML looks like the one that has already been reported. Unfortunately I haven't had the time lately to work on the tool to fix that.
MDL Tweaker

Hi Arno,

Thank you for the response. I am using the FSX gamepack and a scenery MDL.

Do you have any other suggestions for making lights in FXS. I will perservere with effects but I wondered if there was any way of foing so with GMax in FSX.