No error, Toad just's just not working as it was working before.
In Toad for Oracle (TFO) 12.7, when opening "Saved SQL" from "SQL Recall", the name of the "Saved SQL" would be displayed on the SQL Editor Tab.
This is no longer occurring in 12.9, nor in 13.0
WORKAROUND
none
STATUS
Fixed in 13.2