Appian ACD200 Exam - Topic 6 Question 55 Discussion

Actual exam question for Appian's ACD200 exam

Question #: 55
Topic #: 6

Using a View, you pull a report on different employee transactions. You receive the following error: ''a!queryEntity: An error occurred while retrieving the data.''

What is the most likely root cause? (Choose the best answer.)

AThe view contains a large number of rows, requiring more time to fetch the data.

BThe view doesn't have a column mapped as a Primary Key in its corresponding CDT.

CThe required inputs were not provided.

DThe rule contains a missing syntax.

Show Suggested Answer

Suggested Answer: A

by Antonio at Jul 06, 2025, 07:41 PM

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Marya

2 months ago

A could be a factor too, but I doubt it's the main issue.

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Cyril

2 months ago

Totally agree with B, I've seen that error before.

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Fidelia

2 months ago

I think it's B, no primary key mapping can cause issues.

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Alyce

3 months ago

D seems unlikely, syntax errors usually show up differently.

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Tish

3 months ago

Wait, could it also be C? Maybe the inputs were just wrong?

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Brandee

3 months ago

Missing syntax sounds familiar, but I can't recall if that would cause this specific error. I might go with A or D.

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Dominic

3 months ago

I practiced a question similar to this, and I think the large number of rows could be an issue too. But I'm leaning towards B for this one.

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Karl

4 months ago

I'm not entirely sure, but I feel like if the inputs weren't provided, that could definitely cause an error. Maybe option C?

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Cherelle

4 months ago

I remember something about views needing a primary key mapping, so I think option B could be the right answer.

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Ernest

4 months ago

I've seen this type of error before. My guess is that the required inputs were not provided, so I'll go with option C.

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Hollis

4 months ago

Based on my experience, the most likely cause is that the view doesn't have a column mapped as a Primary Key in its corresponding CDT. That's usually the culprit for this type of error.

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Julio

4 months ago

I'm a bit confused by this question. The options don't seem to directly address the error message. I'll need to think it through more carefully.

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Sylvie

5 months ago

Okay, let's see here. The error message suggests there's an issue with retrieving the data, so I'm leaning towards options A or B.

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Aretha

5 months ago

Hmm, this looks like a tricky one. I'll need to carefully review the options and think through the potential root causes.

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An

7 months ago

I bet the rule has a typo in it. Those pesky syntax errors are the bane of my existence.

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Charlie

7 months ago

The view contains a large number of rows? Sounds like my Saturday night plans.

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Angella

5 months ago

C) The required inputs were not provided.

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Naomi

5 months ago

B) The view doesn't have a column mapped as a Primary Key in its corresponding CDT.

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Sylvia

6 months ago

A) The view contains a large number of rows, requiring more time to fetch the data.

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Polly

7 months ago

A large number of rows? Pfft, my view can handle that no problem. It's gotta be a missing syntax issue in the rule.

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Gladis

7 months ago

Hmm, I'd say the required inputs were not provided. Sometimes we forget to pass in that crucial parameter, you know?

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Shalon

7 months ago

The error is likely due to the view not having a column mapped as a Primary Key in its corresponding CDT. That's the most common issue I've seen with this type of error.

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