error word block on black

mistake fault issue problem bug glitch flaw defect failure oversight inaccuracy snag slipup blunder mishap snafu booboo miscalculation misstep bungle faux pas misinterpretation misjudgment miscommunication misreading misunderstanding misconception erroneous inaccurate incorrect wrong invalid unreliable unsound unsatisfactory defective malfunction glitchy corrupted hiccup difficulty complication dilemma quandary predicament hitch drawback impediment obstacle