Write-back error

Summary:

Write-back error - An error occurred while writing to the server. Please check to make sure you have entered appropriate values.

Content (please ensure you mask any confidential information):

When I try to write a value into a column with the write-back feature, I get the error : “An error occurred while writing to the server. Please check to make sure you have entered appropriate values.” All the steps I took to deploy the functionality can be checked via the documentation link : https://docs.oracle.com/en/cloud/paas/analytics-cloud/acabi/deploy-write-back.html .
This is the template used :

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