Steps to reproduce:

1. Download template AWS EC2 by HTTP
2. Create API Key/secret in AWS, setup permissions
3. Configure host in Zabbix (required macros)

Result:
Result converted to text: {"error":"TypeError: cannot read property 'item' of null."}
**

Expected:
Returned list of EBS volumes

Solution:
{}Remove this line from JavaScript:
{{}}

payload['MaxResults'] = 100,

By tests: AWS API is getting first 100 volumes, after this is applying filter on this result