When Making Resource pack, with a little tweak on start_screen.json.. The Resource pack wont load because some false error that say :

ui/start_screen.json: Unable to parse UI JSON file with stack:

• Line 1152, Column 2
  Missing ',' or ']' in array declaration

I have no idea what should i do to fix this issue, i have been adding "," but sill got error... i refresh the pack, but still doesnt fixed.