[HOOK - attribute_checker.py] pre_export(): WARN: Conanfile doesn't have 'license'. It is recommended to add it as attribute
[HOOK - attribute_checker.py] pre_export(): WARN: Conanfile doesn't have 'description'. It is recommended to add it as attribute
[HOOK - conan-center.py] pre_export(): ERROR: [RECIPE METADATA (KB-H003)] Conanfile doesn't have 'license' attribute.  (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H003) 
[HOOK - conan-center.py] pre_export(): ERROR: [RECIPE METADATA (KB-H003)] Conanfile doesn't have 'description' attribute.  (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H003) 
[HOOK - conan-center.py] pre_export(): ERROR: [RECIPE METADATA (KB-H003)] Conanfile doesn't have 'homepage' attribute.  (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H003) 
[HOOK - conan-center.py] pre_export(): WARN: [RECIPE METADATA (KB-H003)] Conanfile doesn't have 'topics' attribute. 
ERROR: [HOOK - conan-center.py] pre_export(): Some checks failed running the hook, check the output