19.03 12:27:17 ERROR [ProcessingUniqueCouponManager] Couldn't store pending operation
java.lang.NullPointerException
    at ru.crystals.pos.coupon.ProcessingUniqueCouponManager.createPendingOperations(ProcessingUniqueCouponManager.java:319)
    at ru.crystals.pos.coupon.ProcessingUniqueCouponManager.lambda$issueUniqueCoupons$1(ProcessingUniqueCouponManager.java:245)
    at ru.crystals.pos.InternalCashPoolExecutorImpl.lambda$submit$1(InternalCashPoolExecutorImpl.java:120)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)