I have summoned an item using new summon command
/summon Item ~ ~ ~2 {Item:{id:(any id)}}
it successfully summoned the item but when I walked over it, I couldn't pick it up but I could move it using blocks or destroy (by lava). Thanks for your attention
Linked issues
duplicates 1
Comments 3
Duplicate of MC-31800
Because you summoned it with a quantity of zero, which is something that Minecraft just really doesn't like. Could be considered a bug that the amount doesn't default to 1, though.