Updated Bash via Homebrew (from 5.0.17 to 5.0.18). Now I get Error message after starting Terminal

Updated Bash via Homebrew (from 5.0.17 to 5.0.18). Now I get this Error message after starting Terminal:

(Command not found: /usr/local/Cellar/bash/5.0.17/bin/bash)

(Could not create a new process and open a pseudo-tty.)

Any help would be highly apprciated. TIA