not able to change password for user in remote host

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1

please see the below playbook . i am trying to chage password for a user in remote host but getting the message FAILED! => {“changed”: false, “failed”: true, “msg”: “useradd: invalid user name ‘’\n”, “name”: “”, “rc”: 3}

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Don't leave spaces in k=v options:

name={{user_name}} password={{new_password}}