[Bug]:Suspicious Sand/gravel dupe

[UncannyBoi]

Possible Fixes

Yes

Modpack Version

2.30

What happened?

I've checked both the open and closed issues about suspicious sand/gravel dupe. I seen one but it is not exactly a dupe as it loses an item. Instead, what I found is that it literally duplicates some items [so far that I have found].

These are:

1. Resources (tried diamonds, emeralds, and others, except the modded ones.)
2. Vanilla items (nametags, glass panes, etc. but not all)
3. mob drops (vanilla. Tried some modded ones and they don't get duped)
4. templates (including the allthemodium, vibranium, and unobtainium)

How to dupe?

Step 1. the item must be more than one.

Step 2. Craft it together with sand or gravel.

Step 3. After you click and craft, you will see only a single item is deducted.

Step 4. Place the suspicious sand and brush it.

Step 5. Receive back more than one.

I'd also like to point out that this is from a server and I am a helper there, but with no access to its entirety. As far as I know, only a single mod was added and that is money/currency with the ability to buy. I doubt that would cause it.

latest.log

No response

Developer reports

No response

[nfc-io]

I was able to reproduce this successfully, looks like the more items you have of the item you want to be included in the suspicious sand, the higher the item drop is.