How to disable AzureDevOps Pipeline Parallelism

Copper Contributor
I have just created an organization in AzureDevops in the Free Tier. 
And everytime I try to create a Pipline ( even the starter/empty one ) I get this error. 
##[error]No hosted parallelism has been purchased or granted. To request a free parallelism grant, please fill out the following form
I tried to google around to find how can I change the settings to Parallelism and disable it or deactivate it, but I couldn't find anything useful. 
I tried: 
demands: Limit -equals DisAbleParallel
but didn't do anything. Probably this is only for the self-hosted. 
I am not sure what could be the next thing that I need to do. 
I appreciate any help,
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