What can I do about missing modifiers?
I tried uninstalling, deleting the zip, redownloading, and reinstalling Vo Yonina and CJ Absinthe (Using DIM). It didn't help.
The scene file doesn't use either of those characters. This just happens, I guess, because there are G9 figures being loaded.
2025-08-22 01:16:39.779 [INFO] :: Preparing modifiers...<br />
2025-08-22 01:16:39.782 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Mouth. (parent: )<br />
2025-08-22 01:16:39.782 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Mouth!<br />
2025-08-22 01:16:39.785 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: CJ_Absinthe9_Head_bs_Head. (parent: )<br />
2025-08-22 01:16:39.786 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: CJ_Absinthe9_Head_bs_Head!<br />
2025-08-22 01:16:39.786 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Eyes. (parent: )<br />
2025-08-22 01:16:39.786 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Eyes!<br />
2025-08-22 01:16:39.786 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: RYHarmony_head_bs_Head. (parent: )<br />
2025-08-22 01:16:39.786 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: RYHarmony_head_bs_Head!<br />
2025-08-22 01:16:39.787 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Tear. (parent: )<br />
2025-08-22 01:16:39.787 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Tear!<br />
2025-08-22 01:16:39.789 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Lashes. (parent: )<br />
2025-08-22 01:16:39.789 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Lashes!<br />
2025-08-22 01:16:39.837 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6731): Modifier definition not found.<br />
2025-08-22 01:16:39.837 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: EJFM Eyelids Lower Volume Wide-0xa0f81af!<br />
2025-08-22 01:16:39.856 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Mouth. (parent: )<br />
2025-08-22 01:16:39.857 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Mouth!<br />
2025-08-22 01:16:39.860 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: CJ_Absinthe9_Head_bs_Head. (parent: )<br />
2025-08-22 01:16:39.860 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: CJ_Absinthe9_Head_bs_Head!<br />
2025-08-22 01:16:39.860 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Eyes. (parent: )<br />
2025-08-22 01:16:39.860 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Eyes!<br />
2025-08-22 01:16:39.861 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: RYHarmony_head_bs_Head. (parent: )<br />
2025-08-22 01:16:39.861 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: RYHarmony_head_bs_Head!<br />
2025-08-22 01:16:39.862 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Tear. (parent: )<br />
2025-08-22 01:16:39.862 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Tear!<br />
2025-08-22 01:16:39.863 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Lashes. (parent: )<br />
2025-08-22 01:16:39.863 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Lashes!<br />
2025-08-22 01:16:39.911 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6731): Modifier definition not found.<br />
2025-08-22 01:16:39.911 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: EJFM Eyelids Lower Volume Wide-0xa0f81af!<br />
2025-08-22 01:16:39.930 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Tear. (parent: )<br />
2025-08-22 01:16:39.930 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Tear!<br />
2025-08-22 01:16:39.931 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Mouth. (parent: )<br />
2025-08-22 01:16:39.931 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Mouth!<br />
2025-08-22 01:16:39.935 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: CJ_Absinthe9_Head_bs_Head. (parent: )<br />
2025-08-22 01:16:39.935 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: CJ_Absinthe9_Head_bs_Head!<br />
2025-08-22 01:16:39.935 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Eyes. (parent: )<br />
2025-08-22 01:16:39.935 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Eyes!<br />
2025-08-22 01:16:39.936 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: RYHarmony_head_bs_Head. (parent: )<br />
2025-08-22 01:16:39.936 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: RYHarmony_head_bs_Head!<br />
2025-08-22 01:16:39.937 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6788): Parent for modifier not found: Vo Yonina Lashes. (parent: )<br />
2025-08-22 01:16:39.937 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(2389): Modifier not prepared: Vo Yonina Lashes!<br />
2025-08-22 01:16:39.986 [WARNING] :: \src\sdksource\fileinput\dzassetdaz.cpp(6731): Modifier definition not found.

Comments
What you have here is bad "Parent" data, almost all DSF files have a parent line, this tell DS4 which base figure that file is meant to work with, if that's pointing at the wrong figure then you get those error messages and the files aren't loaded.
You have a couple of options
If you bought them in that last 30 days then get your money back.
Report the issue in the hope DAZ can get the vendors to fix them.
Or if your inclined, open the offending DSF files in a decend text editor and edit the Parent to fix it yourself.
Firstly, they're warnings rather than errors, one way is that you can simply ignore them ~~
Actually most of the warnings > "Parent for modifier not found" (followed by Modifier not prepared... ) come from :
1) Modifier asset files (DSF files) are placed in wrong data folders, e.g. a Genesis 9 Eyelashes modifier is placed in Genesis 9 Eyes folder.
2) A wrong Modfier Name is defined in DSF file, e.g. CJ Absinthe 9 in your case as above. There're three CJ_Absinthe9_Head_bs_Head.dsf files locate in the data folders of Genesis 9 Eyes / Tear / Mouth, but they have the very same Modifier Name : CJ_Absinthe9_Head_bs_Head
3) Wrong Parent data defined in DSF file (rare...)
You can correct the modifier names yourself ... but better fill a support ticket.
I have the product of VO Yonina but I found no issue on my side. Make sure you install the most updated pacakge.
They were purchased a while ago.
Edit the parent to be what? What should the parent be?
After seeing this I did some checking, turns out one of my friends bought this a couple of years ago, all I have in my notes is "fixed the geograft morphs loading with the G9 base" and "reworked bones to work with FACS", no idea if it's had an update since then as my friends have been warned if I fix something don't update it as I wont fix it a second time.