i am getting this error [2]

Gettransactiondata faulted

leelakanthi_nagisett (Leelakanthi Nagisetty) March 21, 2019, 8:13pm 12

now i am getting this error after giving input

Topic		Replies	Views
Error getting transaction data for Transaction Number: 1. Value cannot be null. Parameter name: source at Source: Message box Academy Feedback	17	2339	November 22, 2019
Error getting transaction data for Transaction Number: 1. Object reference not set to an instance of an object. at Source: If Help studio , data_scraping , error	12	1639	June 25, 2019
Why i am getting below error Academy Feedback	2	785	August 17, 2019
Assignment 1 : Unable to proceed with Get transaction data workflow Academy Feedback	48	3908	May 6, 2019
GetTransactionData-Assignment1 Academy Feedback	14	2424	May 17, 2019