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Problem

When attempting to use the personalization preview with an incorrect Jinja template format, the following error is displayed: Error in parsing jinja template format. Error expected token ’,’, got ‘integer’. Untitled design (23).png

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Solution

This error occurs for the following reasons:
  1. String operators are applied to the integer data type values in the Jinja code.
  2. When creating a campaign, a double quotation mark is used instead of two single quotation marks in the Jinja code.