Strike editor user samples to instruments invalid path error

[Bigballsbassman]

Hi y'all. I've been using the strike editor on an old Mac I have & making instruments in the strike editor. Most of them work fine but usually a 1/3 have the invalid path error.
I'm converting sounds to 16/44.1k stereo between 10 & 20 samples an instrument (less on crash & china bows, cowbell, crossStick) let the auto map do its thing with velocity layers (I leave the layer question at 10 but it usually maps 4-7) and the kits usually come under the 200 mb limit. I reduced my sub folder layers so  that each instruments files are in a folder in the samples folder. When it works it's awesome. I'm wondering if I'm missing something with naming or formatting on the ones that don't work. Before adding sample folders to the SD card I'm batch converting on digichain website to remove any meta data from my daw & confirm bit/rate compatibility.
What am I missing?
Thanks in advance for any info.
Ps I was able to get 4 of the 5 strike updates online. Big pain in the ass. Needed 3 different laptops with different OS's to finish.