Error when trying to access a task using processTaskLink: The task may have been deleted or completed by another assignee.

Hello everyone,

I have a main process model that contains an input form. I would like to allow users in allowed group to access this input form from my task list interface.

I have configured a Task report based on my main process and use the task Id for the process task link in the task list. However when I click on the task from My task list, it is showing "The task may have been deleted or completed by another assignee". What will be the possible solution for this error?'

By far I have checked these areas: 

- Input form's assignment tab is assigning to a group that contains my account. 

- Process is chained probably.

- The task ID that I clicked to open is still active (is at the input form node).

Could anyone help? Thank you!

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