CloudFormation Parameter Template Error : Parameter is non alphanumeric

Question:

i am using

and then facing “CloudFormation Parameter Template Error : Parameter is non alphanumeric” error, following code shows my params.json and template.json files.

params.json

template.json

Answer:

To fix the problem, rename the parameter name_of_abc to nameofabc in the params.json file and the Parameters section of the CloudFormation template.

From the AWS documentation:

Each parameter must be given a logical name (also called logical ID), which must be alphanumeric and unique among all logical names within the template.

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