21656: The ContentVariables Parameter is invalid
PROGRAMMABLE SMS
ERROR
The ContentVariables Parameter is invalid.
- The ContentVariables Parameter is not a JSON String.
- A ContentVariables variable placeholder is improperly formed e.g. {{example}.
- A ContentVariables variable placeholder is an "empty mustache" e.g. {{}}.
- The ContentVariables field is defined with improper formatting at time of send.
- The ContentVariables field contains a variable that was set to null or empty string at time of send.
- Review the documentation on how to use Content Variables with Content Templates.
- Validate the ContentVariables Parameter, it must be a JSON String and be properly formatted.
- Make sure all ContentVariables are defined and have a valid definition at time of send. ContentVariables cannot be an empty string or null.