Your name in the game: ShuttlePilotUK (Truncated to ShuttLePi)
Your country and time zone: US Mountain Daylight Time
Date the problem occurred: 19 May 2021
Time the problem occurred: Apx 1430
Your player level: 33
Does the problem persist after a reboot? Yes
What operating system are you using & what bit version? Win Home 64 bit
Browser & Version Number: Version 90.0.4430.212 (Official Build) (64-bit)
Had a storehouse and gold mine in build queue, cancelled the gold mine, all materials for it were deleted as if it had been built, and the ore where the mine would have been was also deleted as if the mine had actually been built and then bombed instead of cancelled.