USE-PACKAGE #<PACKAGE "ITERATE"> causes name-conflicts in #<PACKAGE "COMMON-LISP-USER"> between the following symbols: ITERATE:ITERATE, COMMON-LISP-USER::ITERATE See also: The ANSI Standard, Section Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL. restarts (invokable by number or by possibly-abbreviated name): 0: [KEEP-OLD ] Keep symbols already accessible in COMMON-LISP-USER (shadowing others). 1: [TAKE-NEW ] Make newly exposed symbols accessible in COMMON-LISP-USER, uninterning old ones. 2: [RESOLVE-CONFLICT] Resolve conflict. 3: [ABORT ] Exit debugger, returning to top level. (NAME-CONFLICT #<PACKAGE "COMMON-LISP-USER"> USE-PACKAGE #<PACKAGE "ITERATE"> ITERATE:ITERATE ITERATE)