it seems multiple bots are suffering from patch failure

error is

===Running apply_issue.bat --root_dir src --issue 1853533002 --server https://codereview.chromium.org --force --ignore_deps -v -v --no-auth --patchset 40001 --whitelist DEPS (attempt #1)===
In directory: E:\b\build\slave\win\build
Connecting to https://codereview.chromium.org
DEBUG    rietveld( 402): POSTing to /api/1853533002, args {'payload': None, 'timeout': 15}.
DEBUG    rietveld( 419): /api/1853533002
DEBUG    rietveld( 402): POSTing to /1853533002/patchset/40001/get_depends_on_patchset, args {'timeout': 15, 'payload': '---M-A-G-I-C---B-O-U-N-D-A-R-Y-0---\r\n', 'content_type': 'multipart/form-data; boundary=-M-A-G-I-C---B-O-U-N-D-A-R-Y-0-'}.
DEBUG    rietveld( 419): /1853533002/patchset/40001/get_depends_on_patchset
Request to https://codereview.chromium.org/1853533002/patchset/40001/get_depends_on_patchset failed: No patch set exists with that id (40001)
Downloading patch from https://codereview.chromium.org/1853533002/#ps40001
DEBUG    rietveld( 402): POSTing to /api/1853533002/40001, args {'payload': None, 'timeout': 15}.
DEBUG    rietveld( 419): /api/1853533002/40001
Request to https://codereview.chromium.org/api/1853533002/40001 failed: No patch set exists with that id (40001)
Failed to fetch the patch for issue 1853533002, patchset 40001.
Try visiting https://codereview.chromium.org/1853533002
===Failed in 0.0 mins===


examples are easy to find but here are some links:

https://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_rel_ng/builds/191079
https://build.chromium.org/p/tryserver.chromium.win/builders/win10_chromium_x64_rel_ng/builds/4
https://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_rel_ng/builds/191018
https://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_rel_ng/builds/191016

Coudl be https://codereview.chromium.org/1852593002/ but this has already been reverted.