Fallibility

[Sarah]

The state of being fallible; liability to deceive or to bedeceived; as, the fallibity of an argument or of an adviser.

[PussyCat]

Fallibility is simply defined as state of being [capable] of making mistakes or [being wrong] sometimes. In other words, it is the [tendency] to make mistakes or to be wrong sometimes. -Emeasoba George

[Oralee]

The tendency to make mistakes or be wrong.

[Vania]

the possibility that someone will make mistakes or that something will not work as it should: