Error code: 40102 - Incompatible Credentials

This error is returned in all cases where credentials are not compatible with the existing connection resulting in the connection going into the failed state

Some examples of specific 40102 errors include:

40102 Mismatch between clientId in token and current clientId 

This indicates the clientId in a token provided to the client is not the same as the one in the existing connection

40102 Cannot resume a connection using auth credentials from a different app to the original connection

This indicates the Use of the same app but a different key to attempt to upgrade client capabilities by calling the auth.authorize method.