Command table operations can signal these conditions:
command-table-already-exists Condition Class
Summary: This condition is signaled by make-command-table when you try to create a command table that already exists.
command-table-not-found Condition Class
Summary: This condition is signaled by functions such as find-command-table when the named command table cannot be found.
command-already-present Condition Class
Summary: The error that is signaled when a function tries to add a command that is already present in a command table to that command table.
command-not-present Condition Class
Summary: A condition that is signaled when the command you are looking for is not present in the command table.
command-not-accessible Condition Class
Summary: A condition that is signaled when the command you are looking for is not accessible in the command table.
command-table-error Condition Class
Summary: The class that is the superclass of the previous four conditions. This class is a subclass of error.
CLIM 2.0 User Guide - 01 Dec 2021 19:38:58