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Appian ACD200 Exam - Topic 6 Question 55 Discussion

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.)
A) The view contains a large number of rows, requiring more time to fetch the data.
B) The view doesn't have a column mapped as a Primary Key in its corresponding CDT.
C) The required inputs were not provided.
D) The rule contains a missing syntax.

Appian ACD200 Exam - Topic 6 Question 55 Discussion

Actual exam question for Appian's ACD200 exam
Question #: 55
Topic #: 6
[All ACD200 Questions]

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.)

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Suggested Answer: A

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

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Marya
6 months ago
A could be a factor too, but I doubt it's the main issue.
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Cyril
6 months ago
Totally agree with B, I've seen that error before.
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Fidelia
7 months ago
I think it's B, no primary key mapping can cause issues.
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Alyce
7 months ago
D seems unlikely, syntax errors usually show up differently.
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Tish
7 months ago
Wait, could it also be C? Maybe the inputs were just wrong?
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Brandee
7 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
8 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
8 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
8 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
8 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
9 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
9 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
9 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
9 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
11 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
11 months ago
The view contains a large number of rows? Sounds like my Saturday night plans.
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Angella
9 months ago
C) The required inputs were not provided.
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Naomi
9 months ago
B) The view doesn't have a column mapped as a Primary Key in its corresponding CDT.
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Sylvia
11 months ago
A) The view contains a large number of rows, requiring more time to fetch the data.
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Polly
12 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
12 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
12 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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Irma
11 months ago
Yes, that's a common issue that can cause this type of error.
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Anna
11 months ago
I think the error is because the view doesn't have a Primary Key mapped.
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Florencia
12 months ago
I think the missing syntax in the rule could be causing the error.
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Haydee
1 year ago
I disagree, I believe the error is due to the view containing a large number of rows.
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Georgeanna
1 year ago
I think the error is because the view doesn't have a column mapped as a Primary Key.
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