GraphClient.DirectoryObjects.GetByIds throws JsonReaderError

[Helenyang2024]

Describe the bug

When using GraphClient.DirectoryObjects.GetByIds with a principal ID of a custom role, the following JsonReaderError is thrown:
'{' is invalid after a value. Expected either ',', '}', or ']'. LineNumber: 0 | BytePositionInLine: 67041.

Expected behavior

Returns DirectoryObject for the existing list of ids

How to reproduce

var result = await this.GraphClient.DirectoryObjects.GetByIds.PostAsGetByIdsPostResponseAsync(
new Microsoft.Graph.Beta.DirectoryObjects.GetByIds.GetByIdsPostRequestBody
{
Ids = principalIds,
});

where principalIds include a guid id of a custom role assignment

SDK Version

No response

Latest version known to work for scenario above?

No response

Known Workarounds

No response

Debug output

Click to expand log

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### Configuration

_No response_

### Other information

_No response_

[andrueastman]

Thanks for raising this @Helenyang2024

The error would suggest an issue with json body that is returned from the API. Are you able to share the version of the SDK you are using when making this call?

Are you also able to follow the guidance below to capture the response body to help validate if the json is indeed invalid?
https://github.com/microsoftgraph/msgraph-sdk-dotnet-core/blob/main/docs/logging-requests.md