Unbearable management. Management had me doing the work of 2+ people and wanted me to do even more.
Management didn't hire new people for months, even though management said they would. Eventually I got tired of being overworked and quit.
We were definitely understaffed and undertrained. My former coworker was getting headaches daily. Management had to hire at least two or more people to replace me.
No break time for snacks made eating a large meal before work a must.
High turnover rate. I found out why myself firsthand.