Error: An unhandled fault has occurred in this flow An unhandled fault has occurred while processing the flow. Please contact your system administrator for more information Solution: You Would get a detailed error description to the register email. Error: An Apex error occurred: System.DmlException: Insert failed. First exception on row 0; first error: INVALID_CROSS_REFERENCE_KEY, Task Record Type ID: this ID value isn't valid for the user: : [RecordTypeId] Solution: The user Might not have access to the Particular Record Type. Or you may be refreing to 15 Digit RecordType Id. Refer 18 Digit ID to solve the issue. Error: Error Occurred: The number of results does not match the number of interviews that were executed in a single bulk execution request. Solution: The size of the return value needs to match the input value. Resolved the issue by using void. P.S: Comment Below for any Clarification or help!! Happy working!! :) :) ...