Merchant trade offer completed but... (get items offered but still have items merchant wanted in my inventory)

SUMMARY
Trade offer received from merchant give him 7 Latticed Clay Window Frames and will give me 4 Sunflowers Completed trade placed sunflowers watched hearthlings place em, went back into my inventory (via place items option) and see all 7 frames still in my inventory, i know i had exactly 7 because just before i traded to get the sunflowers i had 16 in inventory and sold to another merchant 9 of them leaving me exactly 7 just before I accepted the windows for sunflowers dialog. saved game…tried reloading save file and still have the 7 Lattice Clay Window Frames. (not sure if is just this one trade offer doing it or all trade offers as haven’t paid that close attention to inventory in past)

Steps to reproduce:
Dunno if can reproduce but will keep closer eye on trades and see if happens again. and keep better track and will update if i see it happen again.

Expected Results:
Lose 7 Lattice Clay Window Frames and gain 4 Sunflower by town center flag and fireplace.

Actual Results:
Received the 4 Sunflower by town center flag and fireplace but didnt lose the 7 Lattice Clay Window Frames.
Notes:

Attachments:

Version Number and Mods in use:
Stonehearth 0.20.0 (release 701) x64 build NO Mods

System Information:
Don’t Think Relevant but in case here it is:

OS: Windows 7 Home Premium (64bit) Service Pack 1 (should be fully updated to current updates recommended)

Processor: AMD A8-3870k unlocked APU with Radeon™ HD Graphics 3.00 GHz (not using the APU Graphics Card, actually have another installed and using)

Graphics card: Nvidia Gigabyte GeForce GTX 750ti / 2048MB GDDR5 OC edition

Installed Memory: 8.00 GB - G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)

Motherboard: ASUS F1A75-V EVO FM1 AMD A75 (Hudson D3) SATA 6Gb/s USB 3.0 HDMI ATX AMD Motherboard with UEFI BIOS

Nothing is overclocked, standard settings