* installing *source* package 'lisat' ... ** this is package 'lisat' version '0.1.0' ** using staged installation Error : Invalid DESCRIPTION file Malformed Depends or Suggests or Imports or Enhances field. Offending entries: testthat (>= 3.0.0) in Imports/Depends Entries must be names of packages optionally followed by '<=' or '>=', white space, and a valid version number in parentheses. See section 'The DESCRIPTION file' in the 'Writing R Extensions' manual. ERROR: installing package DESCRIPTION failed for package 'lisat' * removing 'd:/RCompile/CRANincoming/R-devel/lib/lisat'