Call Extensions - MetadataPropertyMissingForExtensionType

[Prajna More]

what does this error mean for a call extension?

Call extension is not delivering and the filter reason code is 'MetadataPropertyMissingForExtensionType'

[Shwetha Vastrad (AdWords API Team)]

Hi Prajna, 

Could you describe how you are adding these Call Extensions? Are you using Feed services or extension setting services? Please enable logging and provide the SOAP request and response for the operations which encountered this error and I'll be able to take a look. Please use Reply privately to author when responding. 

Thanks,

Shwetha, AdWords API Team.