Keep in mind that the Dawn shards appears in the morning, The Day shards, in the afternoon, and the Dusk, at night.
Some might also be hidden in places where you'll need to increase affinity with some characters to be able to access them.
Viewing post in Bug report
can you send us an email with your savefile at grizzlygamerstudio@gmail.com ?
You can find them here:
PC: %appdata%/../LocalLow/GrizzlyGamerStudio/Robin Morningwood Adventure
OSX: ~/Library/Application Support/GrizzlyGamerStudio/Robin Morningwood Adventure
or ~/Library/Application Support/com.GrizzlyGamer.RMAWhellcum