VxErrorInvalidArgument (5008) errors are most commonly caused by the following scenarios:
- Unsupported characters used in usernames or channel names.
- Your username + issuer exceeding the max character limit.
- Your channel name + issuer exceeding the max character limit.
- Your display name exceeding the max character limit.
Because username, channel name, and display name limits can vary between engine versions, check the Vivox Developer Documentation for your Vivox SDK engine type (Core, Unreal, Unity, or Web).
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