## Class: SB-EXT:PACKAGE-LOCKED-ERROR [![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 SB-EXT:PACKAGE-LOCK-VIOLATION. An error of this type is > signalled when an operation on a package violates a package lock. ### Precedence list ```cl (sb-ext:package-locked-error 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) ```