PL-900 Demonstrate the capabilities of Power Apps Practice Question
An organization has a model-driven app built on Dataverse. Users report that when they try to save a record, they receive an error about missing required fields, but they believe they filled them in. What is the most likely cause?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A business rule is setting a field as required based on conditions
Business rules can dynamically set field requirements based on conditions, which may cause users to see missing required fields even if they filled in all originally required fields. Option B is incorrect because write permissions would prevent saving entirely, not just show missing required fields. Option C is incorrect because Power Automate flows run after a record is saved, not before, so they cannot block the save. Option D is incorrect because custom connectors are used for integrating external systems, not for Dataverse field validation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
A business rule is setting a field as required based on conditions
Why this is correct
Correct. A business rule can conditionally require a field, which might not be obvious to the user, leading to the error.
- ✗
The user does not have write permissions to the Dataverse table
Why it's wrong here
Incorrect. If the user lacked write permissions, they would get an access error, not a missing required field error.
- ✗
A Power Automate flow is blocking the save
Why it's wrong here
Incorrect. Power Automate flows are triggered after a record is saved, so they cannot prevent the save.
- ✗
A custom connector is failing to validate data
Why it's wrong here
Incorrect. Custom connectors are for external APIs, not for Dataverse field validation logic.
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