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conan install easyhttpcpp/2.1.0@ --profile=C:\J\w\BuildSingleReference@6/5812/b800104a-42b4-4f56-a507-b429dde76b23/profile.txt --build=easyhttpcpp
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=Visual Studio
compiler.runtime=MDd
compiler.version=15
os=Windows
os_build=Windows
[options]
easyhttpcpp:shared=True
[build_requires]
[env]

Traceback (most recent call last):
  File "c:\python36\lib\site-packages\conans\client\command.py", line 2115, in run
    method(args[0][1:])
  File "c:\python36\lib\site-packages\conans\client\command.py", line 531, in install
    lockfile_node_id=args.lockfile_node_id)
  File "c:\python36\lib\site-packages\conans\client\conan_api.py", line 94, in wrapper
    return f(api, *args, **kwargs)
  File "c:\python36\lib\site-packages\conans\client\conan_api.py", line 560, in install_reference
    lockfile_node_id=lockfile_node_id)
  File "c:\python36\lib\site-packages\conans\client\manager.py", line 57, in deps_install
    lockfile_node_id=lockfile_node_id)
  File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 116, in load_graph
    apply_build_requires=apply_build_requires)
  File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 246, in _resolve_graph
    graph_lock=graph_lock)
  File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 365, in _load_graph
    apply_build_requires=apply_build_requires)
  File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 286, in _recurse_build_requires
    self._binary_analyzer.evaluate_graph(graph, build_mode, update, remotes, nodes_subset, root)
  File "c:\python36\lib\site-packages\conans\client\graph\graph_binaries.py", line 384, in evaluate_graph
    self._evaluate_node(node, build_mode, update, remotes)
  File "c:\python36\lib\site-packages\conans\client\graph\graph_binaries.py", line 176, in _evaluate_node
    self._process_node(node, pref, build_mode, update, remotes)
  File "c:\python36\lib\site-packages\conans\client\graph\graph_binaries.py", line 242, in _process_node
    self._evaluate_cache_pkg(node, package_layout, pref, metadata, remote, remotes, update)
  File "c:\python36\lib\site-packages\conans\client\graph\graph_binaries.py", line 95, in _evaluate_cache_pkg
    assert node.prev, "PREV for %s is None: %s" % (str(pref), metadata.dumps())
AssertionError: PREV for bzip2/1.0.8:5c382ca84120276840c8074ab1851697636fb8ae is None: {"recipe": {"revision": "f85c479b79b300b1b5e17510aca55c35", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "44e99ec27f446c8c2903d7ead4a7e8e4", "sha1": "5a2eb16ade9bced471bfe964bcc6a726c864fad6"}, "conanmanifest.txt": {"md5": "608446fc59b46ac42597f4c6ed845190", "sha1": "2f0f0b6d28e4e7f0660f26269d995b016c0e7155"}, "conanfile.py": {"md5": "e9d524f692b231e1aa141a1995dac7aa", "sha1": "4deb01e7b5764b8e6694b64ee3a8cc039726a116"}}}, "packages": {"5c382ca84120276840c8074ab1851697636fb8ae": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}}

WARN: apr-util/1.6.1: requirement expat/2.2.9 overridden by poco/1.10.1 to expat/2.2.10 
WARN: libmysqlclient/8.0.17: requirement openssl/1.1.1i overridden by poco/1.10.1 to openssl/1.1.1h 
ERROR: PREV for bzip2/1.0.8:5c382ca84120276840c8074ab1851697636fb8ae is None: {"recipe": {"revision": "f85c479b79b300b1b5e17510aca55c35", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "44e99ec27f446c8c2903d7ead4a7e8e4", "sha1": "5a2eb16ade9bced471bfe964bcc6a726c864fad6"}, "conanmanifest.txt": {"md5": "608446fc59b46ac42597f4c6ed845190", "sha1": "2f0f0b6d28e4e7f0660f26269d995b016c0e7155"}, "conanfile.py": {"md5": "e9d524f692b231e1aa141a1995dac7aa", "sha1": "4deb01e7b5764b8e6694b64ee3a8cc039726a116"}}}, "packages": {"5c382ca84120276840c8074ab1851697636fb8ae": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}}