Migrated from: https://dev.bukkit.org/projects/shopkeepers/issues/264

Originally posted by Cra2ytig3r (Nov 21, 2014):

What steps will reproduce the problem?
1.merchant has 2 same non-stackable items for sale (I used doors)
2.click to purchase 1 into hand
3.while holding that item Shift-click to purchase moreWhat is the expected output? What do you see instead?
Expected Output:
To be able to purchase only up to quantity available in merchant inventory
Instead Output:
more then quantity available for sale fills players inventory & payment is removed. Items may or may not be removed form merchant inventory & payment not transferredWhat version of the product are you using?
v1.27Do you have an error log of what happened?
nonePlease provide any additional information below.

Originally commented by blablubbabc (Nov 21, 2014):

This is hopefully fixed in v1.28 to properly block shift clicks again for player shops (like previous on v1.26).
Thanks for reporting these issues!

Originally closed by blablubbabc (Nov 21, 2014)