Dear @EH-25061946-0, Greetings from Haque! My apologies if this response doesn't bring you the right solution.
First thing first, let's analysis the error: "The template language function 'if' expects its first parameter to be of type boolean. The provided value is of type 'Null'."
Probably the potential problem in the Power Automate flow is that a condition or expression is trying to evaluate a value that is null where a boolean (true or false) is expected!
Let's be very careful for Null values in condition checks: A field that needs a condition check must not be missing or null, particularly in your case the condition fails because it expects a boolean where as it is Null.
Safe guard: if(equals(coalesce(triggerBody()?['FieldYouAreComparing'], 'false'), 'true'), decision-1, decision-2)
To be more proactive, we can add null check before condition applied. So in this case we can add a step or expression to check if the field is null or empty, and handle that case.
I am suspecting one more area in action "Get changes for an item or a file": The error screenshot shows multiple conditions checking if a field "is equal to true" but the field might be null. You need to ensure these fields exist and are not null before comparing.
Though null check is your main safety-net, shouldn't we be vigilant in "Send an email (V2)" action?
The inputs use an if expression that fails because the condition is null. Please review the expressions in that action and wrap the condition with null-safe checks.
I am sure some clues I tried to give. If these clues help to resolve the issue brought you by here, please don't forget to check the box Does this answer your question? At the same time, I am pretty sure you have liked the response!
This is Shahidul Haque, I am pretty sure I have spent times on this issue to address the close resolution. To bring up a resolution for the betterment of the community users, these are the possible things I probably did:
- Read the issue carefully.
- Investigated and did RnD.
- Looked for a close match to see if the issue was previously posted or not.
- Took help from AI if my storehouse of knowledge failed.
- Spent time on taking screenshots (if it is/was needed).
- Revised the content before final posting.
- Finally, if it was a priority, I overthrew my personal task to provide a correct solution!
Why did I bring up these things? Everyone does these, right? Now let's change the lens. If you were me, what would you expect? A simple like?
😀
