"cape" system is not in quicklisp, so (qL;quickload "april") gives an error.

[Yehouda]

https://github.com/phantomics/april/blob/37511c0fc4e0d3e5e937108e7ce110191587b77e/april.asd#L9

This is based on th elatest version in quicklisp from 22 jun 2025. The file cape/cape.asd is included, but the system is not listed in the systems.txt file. In releases.txt it has this line

april http://beta.quicklisp.org/archive/april/2025-06-22/april-20250622-git.tgz 385469 31aec8bfcdb9ef2d9e4ef2453860eceb 7aad77c2f42fc759c2d4d74c66502d0c66603eb0 april-20250622-git aplesque/aplesque.asd april.asd demos/cnn/april-demo.cnn.asd demos/fnn/april-demo.fnn.asd demos/ncurses/april-demo.ncurses.asd extensions/uzuki/april-xt.uzuki.asd libraries/dfns/array/april-lib.dfns.array.asd libraries/dfns/graph/april-lib.dfns.graph.asd libraries/dfns/numeric/april-lib.dfns.numeric.asd libraries/dfns/power/april-lib.dfns.power.asd libraries/dfns/string/april-lib.dfns.string.asd libraries/dfns/tree/april-lib.dfns.tree.asd maxpc-apache/maxpc-apache-test.asd maxpc-apache/maxpc-apache.asd varray/varray.asd vex/vex.asd

which contains various asd for sub-systems, but not cape.asd