Error 90015
ERROR - 90015
Body and Template (Body, Sid, Language, Args) are provided
Body and Template (Body, Sid, Language, Args) are provided together.
Possible Causes
Single create message request has Body and one of Template's field: Template or TemplateSid or TemplateLanguage or TemplateArgs
Possible Solutions
Choose which type of message would you like to use: templated message or plain message.