## Class: SB-EXT:PACKAGE-LOCK-VIOLATION [![package](https://img.shields.io/badge/Package-SB--EXT-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Class-5f9ea0.svg?style=social&colorA=999999)](../#class) > Subtype of CL:PACKAGE-ERROR. A subtype of this error is signalled > when a package-lock is violated. ### Precedence list ```cl (sb-ext:package-lock-violation package-error error serious-condition sb-int:reference-condition simple-condition condition sb-pcl::slot-object t) ``` ### Initargs ```cl (:format-control :format-arguments :references :package) ```