>> Error: OPERATION instances must only be created through MAKE-OPERATION. >> >> [condition type: FORMATTED-SYSTEM-DEFINITION-ERROR] > > > Is that an ASDF issue? Ceramic? ACL? cffi-grovel (the system being built > when the error is thrown)? > You need a fresher version of cffi-grovel. Update your quicklisp and/or make sure you don't have an antique version of cffi in your local-projects and/or source-registry.
> Does quicklisp use its own copy of ASDF for stability? > quicklisp provides an antique asdf 2.26 that is only loaded in even more antique implementations. All maintained implementations have been providing asdf 3.1 or later for over a year. —♯ƒ • François-René ÐVB Rideau •Reflection&Cybernethics• http://fare.tunes.org C is a DSL for turning low-level byte arrays into security advisories.