ROM Hack Plants vs Zombies DS Ripping Help

[infinitybl]

Hello, I'm a newbie here and I'm trying to rip some sprites from the Plants vs Zombies DS game. Following user Barubary's post from this link https://gbatemp.net/threads/ragnarok-ds-sprite-ripping-request.304302/#post-3824093
I already unpacked the .nds ROM file with dslazy and I am trying to use a program called DSDecmp to decompress the data files. I think all the sprites are in the data_pack.bin file in the /data/ directory but when I use DSDecmp to decompress it, it gives me an error.

I use this line in the command prompt to try to decompress the file:
>>>dsdecmp data_pack.bin

But it gives me this error:
No suitable decompressor found for data_pack.bin


Has any one here ever had experience with ripping DS sprites and using DSDecmp? If so I would appreciate it if you can help me out. Thank you.

Here's the link that contains the unpacked files from the rom:
https://drive.google.com/file/d/0BzEQcrS...sp=sharing

Here's the link for the DSDecmp program:
https://github.com/Barubary/dsdecmp

 

[Shugabush]

Do you know about nscr ncgr, nclr, ncer, and nanr? Those files are located directly in the data pack. Use HxD to view it (or some kind of hex editor).