When trying to re-register a system using the generated curl command it throws the error mentioning that the system is already registered and it would need to use the option --force.

Error:
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This system is already registered. Use --force to override
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When --force option is using the below error is the output.

Error:
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[root@localhost ~]# curl - X GET "https://foreman.example.com:9090/register?activation_key=new&hostgroup_id=3&location_id=2&operatingsystem_id=3&organization_id=1" - H 'Authorization: Bearer eyJhbGciOiJIUzI1NiJ9.eyJ1c2VyX2lkIjo0LCJpYXQiOjE2MTE1Njk4ODEsImp0aSI6ImUxMzJkOGU1OGQ2MTc4YTc4ODM3ZjU2ZjY0MzJiZmZhYTZjYmI2OWY0ODFmMGFiYmFjNTJkOGZhZWVlN2JjMDMiLCJleHAiOjE2MTE1ODQyODF9.fLNNZqN_7HNYFcCyspX6Usqt6AN3u5oOUA3DIdEB6Pk' | bash --force
bash: --force: invalid option
....
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 10369 100 10369 0 0 20017 0 --:--:-- --:--:-- --:--:-- 20017
curl: (23) Failed writing body (0 != 10369)
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