Assignment 2 level 3 performer issue

in ui path academy level 3 assignment 2 the performer is doing transaction 1 successfully but giving selector issues for second transaction what will be the solution.please help me early.

  1. give screenshot of your error and the activity with its property which the error occurred at, plus screenshot of the selector.
  2. elaborate more on your issue.

please do the above before anyone could offer you help.