You have to know the taskid for the first parameter of the remove_task native. If you want to remove the taskid for another plugin you need to set the parameter of the remove_task otherwise you only remove task that are made in that plugin.
You need to know the taskid or you can't remove the task.
For example
Code:
set_task(1.0, "function", 94859, ...)
94859 is the 3rd parameter of set_task and is also the taskid.
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