Missing or inconsistent package information is probably the most difficult problem to solve.

丢失或者不稳定的包信息可能是最难解决的问题。

youdao

Most of our information-processing systems are tolerant of missing information. A missing name, code, number, or price can almost always be reconstructed from other data in the record.

现在大多数的信息处理系统都可以容忍数据的缺失，比如，缺少的名字、代码、数字及价格等。

youdao

The most common discrepancy, in 55%, was missing information about the last date and time a medication was taken.

FORBES: Can Pharmacists in the ER Help Reduce Medication Errors?