4×× CLIENT ERROR
424 FAILED DEPENDENCY
The method could not be performed on the resource because the requested action depended on another action and that action failed.
For example, if a command in a PROPPATCH method fails, then, at minimum, the rest of the commands will also fail with 424 Failed Dependency.
424 FAILED DEPENDENCY Source: RFC4918 Section 11.4
424 CODE REFERENCES
Rails HTTP Status Symbol
Symfony HTTP Status Constant
Python HTTP Status Constant