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50211: Identity parameter not acceptable for this Participant

ERROR: 50211

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PROGRAMMABLE CHAT
ERROR

Error - 50211

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Conversations: Identity parameter not acceptable for this Participant

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Participants on SMS, WhatsApp or other non-Chat channels cannot have Identities.

Possible Causes

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This error is fired when the parameter Identity is provided together with either:

  • MessagingBinding.Address,
  • MessagingBinding.ProxyAddress, or
  • both of the above.

As the error indicates, such a combination is not allowed. You can provide either an address binding or an Identity, but not both.

Possible Solutions

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  • Avoid using both Identity and MessagingBinding.Address parameters when creating a Conversation participant. Instead, distinguish the use-case for your participants upfront and supply either the Identity for users of Programmable Chat Web/iOS/Android SDKs, or MessagingBinding.Address for non-Chat users such as SMS, MMS, WhatsApp, etc.