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Another type of classic mistakes are process-related mistakes. And also

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in this case, these kind of mistakes can be due

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to many reasons. And they are of many types. One

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typical example are scheduling issues, which are due to the fact

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of being unable to come up with a realistic schedule.

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So to have an overly optimistic schedule. And this can be

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because we underestimate the effort involved in different parts of

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the project. Because we overestimate the ability of the people involved.

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Because we overestimate the importance, for example, of the use

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of tools. But no matter what the reason is, the

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result is typically that the projects end up being late,

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which is a very common situation. So this is somehow

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related to planning. And in general, planning is a fundamental

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factor in software processes and in software development. Mistakes in

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planning, such as insufficient planning or abandoning planning due to

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pressure, usually lead inexorably to failure. And speaking of failures,

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often there are unforeseen failures. Such as

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failures on the constructor's end, for example,

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that might lead to low quality or

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late deliverables, which ultimately affects the downstream activities.