patch 9.0.1091: assignment to non-existing member causes a crash Commit: https://github.com/vim/vim/commit/f54cedd6763e7727b4bfaeb34bb7c365a17675eb Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 23 17:56:27 2022 +0000 patch 9.0.1091: assignment to non-existing member causes a crash Problem: Assignment to non-existing member causes a crash. (Yegappan Lakshmanan) Solution: Give an error message and bail out when a member cannot be found.