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biterbit
Kudo Commander
Kudo Commander

IfError error: Untyped objects cannot be used

In several places across my apps I had code to handle an error where the code tries to delete an Outlook appointment when it has been already deleted by the user. Today, all instances of this code have started reporting an error: Untyped objects cannot be used as the first argument to functions which support record scopes. The code is:

IfError(
    Office365Outlook.CalendarDeleteItemV2( 
        "Calendar",
        Mid(DeleteSessions.CalendarID, 1, Len(DeleteSessions.CalendarID))
    ),
    Notify("An Outlook appointment could not be found or could not be deleted",
    Information, 2000);
)

As this was working until recently, I assume something has been changed in the way OnError works. Is there an easy way to change the code to accommodate this change?

 

Thanks.

1 ACCEPTED SOLUTION

Accepted Solutions
iAm_ManCat
Most Valuable Professional
Most Valuable Professional

Hmmm, so the only way I could get this to work was to turn off ParseJSON/untyped feature.

 

If you're not explicitly using it anywhere, I would suggest turning it off.

 

I have raised this as a potential issue to the team, however the ParseJSON feature flag is experimental, so it is expected that there will be issues like this from time to time - experimental features should never be used in production apps!

 

Cheers,

Sancho


@iAm_ManCat
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16 REPLIES 16
iAm_ManCat
Most Valuable Professional
Most Valuable Professional

Could you confirm that you have the parseJSON/untyped feature enabled from the app properties as well as the feature for formula level management?

I know they did some fixes recently to IfError so they might have forced the other flag now with using untyped.


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


Thanks!
You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
Sancho Harker, MVP


@iAm_ManCat Thanks for your quick response. I have checked one of the apps displaying the error and the ParseJSON function and untyped objects setting and the Formula-level error management setting are both enabled.

iAm_ManCat
Most Valuable Professional
Most Valuable Professional

Hmmm, so the only way I could get this to work was to turn off ParseJSON/untyped feature.

 

If you're not explicitly using it anywhere, I would suggest turning it off.

 

I have raised this as a potential issue to the team, however the ParseJSON feature flag is experimental, so it is expected that there will be issues like this from time to time - experimental features should never be used in production apps!

 

Cheers,

Sancho


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


Thanks!
You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
Sancho Harker, MVP


@iAm_ManCat Thanks Sancho. Unfortunately I am using the ParseJSON function elsewhere in the apps, so I will need to find another way round this. I will look into other ways to verify if an Outlook event exists,

iAm_ManCat
Most Valuable Professional
Most Valuable Professional

Ok, so I've heard back from the team and there's a potential workaround or two you could try:

 

You can cast the Untyped object to Boolean using Boolean():

With(
   {
      result: Office365Outlook.CalendarDeleteItemV2("Calendar",Mid(DeleteSessions.CalendarID, 1, Len(DeleteSessions.CalendarID))
   },
   If(
      IsError(result),
      IfError(
         Boolean(result),
         Notify("An Outlook appointment could not be found or could not be deleted: " & FirstError.Message)
      )
   )
)

 

Or, since we aren't using those error messages elsewhere (I think?) we can use the following:

If(
   IsError(
      Office365Outlook.CalendarDeleteItemV2( 
        "Calendar",
        Mid(DeleteSessions.CalendarID, 1, Len(DeleteSessions.CalendarID)))
   ),
   Notify("An Outlook appointment could not be found or could not be deleted")
)

 

Let me know if either of those work for your situation!

 

Cheers,

Sancho


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


Thanks!
You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
Sancho Harker, MVP


@iAm_ManCat Thanks so much for your help. I tried the second suggested workaround as this seemed to be closest to my existing code. The good news is that this fixed the formula error and the code would run. The bad news is that it always reported the error notification message, regardless of whether the deletion was successful or not.

To investigate this further I set up a test (based on the first suggested workaround) to store and display the result of the CalendarDeleteItemV2 operation:

Button > OnSelect:
UpdateContext({ CalendarDeleteResult: Office365Outlook.CalendarDeleteItemV2("Calendar",Mid(valueCalendarID.Text, 1, Len(valueCalendarID.Text))) });

Label > Text:
IsError(Boolean(CalendarDeleteResult))

When the calendar item was successfully deleted, the result was:

biterbit_0-1677329939896.png

which evaluated the label to true.

When the calendar item did not exist, the result was:

biterbit_1-1677330020763.png

which also evaluated the label to true.

I hope this makes sense. Do you think I've missed something here in the testing of the result returned from the CalendarDeleteItemV2 operation?

One further update. After some experimentation, I got the code to work like this:

If( !IsError(Office365Outlook.CalendarGetItem("Calendar", valueCalendarID.Text)),
    UpdateContext({ CalendarDeleteResult: Office365Outlook.CalendarDeleteItemV2("Calendar", valueCalendarID.Text) }),
    Notify("An existing Outlook appointment for this session could not be found", Information, 2000)
);

I first check that the event exists and then, if it does, I assign the delete function to a variable, which seems to stop the 'invalid JSON' error being returned when the deletion succeeds.

The remaining issue I have is that, elsewhere in the app, I loop through a collection of events using a ForAll(...) function and there I cannot use the UpdateContext solution as it is not allowed - so all successful deletions raise an error message to the user.

iAm_ManCat
Most Valuable Professional
Most Valuable Professional

I think you may still be able to do a check within a ForAll by collecting it to a record? Not sure it would work, but worth a try - pseudocode here below, you might have to tweak whatever you currently use for the ForAll with ThisRecord as a reference for the current item:

Clear(dummyCollection);
ForAll('Inventory List',
      With(
         {
            ThisRecordThing: !IsError(Office365Outlook.CalendarGetItem("Calendar",ThisRecord.YourReferenceThing))
         },
         If(ThisRecordThing,
            Collect(dummyCollection,
               Office365Outlook.CalendarDeleteItemV2("Calendar", ThisRecord.YourReferenceThing)
            )
         )
      )
)

 


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


Thanks!
You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
Sancho Harker, MVP


@iAm_ManCat Thanks for the suggestion. I tried it today and I found that firstly it would not accept the result into the collection unless surround by a Table(...) statement. That made the code valid but, unfortunately, it hit the same problem, in that the successful result generated the same error as before: Office365Outlook.CalendarDeleteItemV2 failed: The data returned in the response is invalid. Response data should be a valid JSON object.

 

For reference, the code I ended up with was:

Clear(colDeleteSessions);
ForAll(Filter(colMySessions, SessionType.Value = "Counselling") As DeleteSessions,
    If( !IsError(Office365Outlook.CalendarGetItem("Calendar", DeleteSessions.CalendarID)),
        Collect(colDeleteSessions, Table(Office365Outlook.CalendarDeleteItemV2("Calendar", DeleteSessions.CalendarID)))
    );
);

So it appears that the recent change means that I can no longer detect and trap certain errors if the returned values for successful and failed operations are not of the same type (which I think is the underlying issue).

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