tie-up / sluggish / accumulation / be delayed / be behind with one's work / be behind in one's work / be belated / the congestion of traffic / stagnation / be tied-up / accumulate / falling into arrears / stagnate / pile up / <<bills>> pile up (and be left unpaid) / delay / fall into arrears

tie-up / be tied up / bottleneck / stagnation / piling up / accumulate / stagnating / stagnate / pile up / be bottlenecked / congestion / pile-up / accumulation / being tied up / accumulating

error / blunder / miss / mistake

error / mistake

abortive [enterprise] / wasted [products] / error / blunder / miss / mistake

abortive [enterprise] / wasted [products] / error / blunder / miss / bungle / mistake

abortive [enterprise] / wasted [products] / error / blunder / miss / mistake

abortive [enterprise] / wasted [products] / error / blunder / miss / bungle / mistake

abortive [enterprise] / wasted [products] / error / blunder / miss / mistake

error / blunder / miss / mistake