can anyone help me. i have checked the process variables those all are correct, i configured the setup, output node. but i don't know why this error is coming.
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We also faced this sort of issues couple of times after dropping / deleting database columns or record filters. Make sure all deleted reference are removed in all objects associated and publish process model again and see if that's working.
If not remove process node where your process got stuck again configure and save and publish again. This worked for us.