Empty cache file in evolution

[Raphael Mankin]

Whenever I delete a message or move it to a different folder I get the popup message:

Empty cache file: /home/raph/.cache/evolution/mail/1480750025.14603.2@raph-ThinkPad-X1-Carbon-3rd/folders/INBOX/cur/09/162153

This happens on two different machines, one upgraded from Ubuntu 14.10 to 16.04 the other a clean install of 16.04.

raph@X1:~/.cache/evolution/mail/1480750025.14603.2@raph-ThinkPad-X1-Carbon-3rd/folders/INBOX/cur/09$ ls -l
total 3280
-rw------- 1 raph raph 35168 Dec 3 2016 147007
-rw------- 1 raph raph 59520 Dec 16 2016 150573
-rw------- 1 raph raph 14337 Dec 21 2016 150730
-rw------- 1 raph raph 208558 Dec 21 2016 150731
-rw------- 1 raph raph 21885 Dec 21 2016 150732
-rw------- 1 raph raph 21384 Dec 21 2016 150733
-rw------- 1 raph raph 21577 Dec 21 2016 150734
-rw------- 1 raph raph 13964 Dec 21 2016 150735
-rw------- 1 raph raph 21524 Dec 21 2016 150736
-rw------- 1 raph raph 30932 Dec 21 2016 150737
-rw------- 1 raph raph 25271 Dec 21 2016 150738
-rw------- 1 raph raph 62343 Dec 21 2016 150739
-rw------- 1 raph raph 21174 Jan 10 2017 151460
-rw------- 1 raph raph 9669 Jan 10 2017 151461
-rw------- 1 raph raph 9654 Jan 10 2017 151462
-rw------- 1 raph raph 59518 Jan 10 2017 151463
-rw------- 1 raph raph 21078 Jan 10 2017 151464
-rw------- 1 raph raph 21445 Jan 10 2017 151465
-rw------- 1 raph raph 21444 Jan 10 2017 151466
-rw------- 1 raph raph 21569 Jan 10 2017 151467
-rw------- 1 raph raph 21573 Jan 10 2017 151468
-rw------- 1 raph raph 32806 Jan 10 2017 151469
-rw------- 1 raph raph 2659 Jan 13 2017 151621
-rw------- 1 raph raph 99202 Jan 13 2017 151622
-rw------- 1 raph raph 5713 Jan 13 2017 151624
-rw------- 1 raph raph 9984 Jan 13 2017 151625
-rw------- 1 raph raph 18873 Jan 13 2017 151626
-rw------- 1 raph raph 98622 Jan 14 2017 151629
-rw------- 1 raph raph 5785 Jan 30 2017 152192
-rw------- 1 raph raph 861 Jan 31 2017 152193
-rw------- 1 raph raph 863 Jan 31 2017 152194
-rw------- 1 raph raph 15296 Jan 31 2017 152195
-rw------- 1 raph raph 30872 Jan 31 2017 152196
-rw------- 1 raph raph 45179 Jan 31 2017 152197
-rw------- 1 raph raph 15998 Jan 31 2017 152198
-rw------- 1 raph raph 42565 Feb 5 2017 152350
-rw------- 1 raph raph 51843 Feb 5 2017 152351
-rw------- 1 raph raph 19244 Feb 5 2017 152353
-rw------- 1 raph raph 131586 Feb 5 2017 152354
-rw------- 1 raph raph 14004 Feb 5 2017 152355
-rw------- 1 raph raph 3525 Feb 5 2017 152356
-rw------- 1 raph raph 3515 Feb 5 2017 152357
-rw------- 1 raph raph 45436 Feb 5 2017 152358
-rw------- 1 raph raph 118964 Feb 5 2017 152359
-rw------- 1 raph raph 36608 Feb 9 2017 152510
-rw------- 1 raph raph 22070 Feb 9 2017 152511
-rw------- 1 raph raph 18957 Feb 9 2017 152512
-rw------- 1 raph raph 17998 Feb 9 2017 152513
-rw------- 1 raph raph 49417 Feb 9 2017 152514
-rw------- 1 raph raph 12972 Feb 9 2017 152515
-rw------- 1 raph raph 9914 Feb 9 2017 152516
-rw------- 1 raph raph 14181 Feb 9 2017 152517
-rw------- 1 raph raph 4799 Feb 9 2017 152518
-rw------- 1 raph raph 6616 Feb 9 2017 152519
-rw------- 1 raph raph 30933 Mar 2 2017 153080
-rw------- 1 raph raph 16722 Mar 2 2017 153081
-rw------- 1 raph raph 16731 Mar 2 2017 153082
-rw------- 1 raph raph 99137 Mar 2 2017 153083
-rw------- 1 raph raph 23175 Mar 2 2017 153084
-rw------- 1 raph raph 9060 Mar 2 2017 153085
-rw------- 1 raph raph 21453 Mar 2 2017 153086
-rw------- 1 raph raph 33031 Mar 2 2017 153087
-rw------- 1 raph raph 3485 Mar 2 2017 153088
-rw------- 1 raph raph 3401 Mar 2 2017 153089
-rw------- 1 raph raph 4725 Mar 9 2017 153240
-rw------- 1 raph raph 6994 Mar 9 2017 153244
-rw------- 1 raph raph 5350 Mar 9 2017 153246
-rw------- 1 raph raph 3197 Mar 9 2017 153247
-rw------- 1 raph raph 22723 Mar 9 2017 153248
-rw------- 1 raph raph 13115 Mar 9 2017 153249
-rw------- 1 raph raph 28424 Mar 14 2017 153400
-rw------- 1 raph raph 13302 Mar 15 2017 153409
-rw------- 1 raph raph 2469 Oct 9 2017 157993
-rw------- 1 raph raph 6158 Oct 9 2017 157994
-rw------- 1 raph raph 7819 Oct 9 2017 157995
-rw------- 1 raph raph 2428 Oct 9 2017 157996
-rw------- 1 raph raph 11643 Oct 9 2017 157997
-rw------- 1 raph raph 7981 Oct 9 2017 157998
-rw------- 1 raph raph 25619 Oct 9 2017 157999
-rw------- 1 raph raph 9341 Nov 27 2017 158882
-rw------- 1 raph raph 14835 Nov 27 2017 158884
-rw------- 1 raph raph 4232 Jan 15 08:58 159770
-rw------- 1 raph raph 7745 Jan 15 08:58 159773
-rw------- 1 raph raph 24091 Jan 23 10:29 159932
-rw------- 1 raph raph 15936 Jan 23 10:29 159934
-rw------- 1 raph raph 14817 Jan 23 10:29 159936
-rw------- 1 raph raph 24451 Jan 23 10:29 159937
-rw------- 1 raph raph 36578 Jan 23 11:41 159938
-rw------- 1 raph raph 15662 Jan 23 12:41 159939
-rw------- 1 raph raph 47420 Feb 26 10:47 160375
-rw------- 1 raph raph 7588 Feb 26 10:47 160378
-rw------- 1 raph raph 29623 Mar 13 11:21 160533
-rw------- 1 raph raph 4769 Mar 13 11:21 160536
-rw------- 1 raph raph 6689 Apr 26 18:04 161260
-rw------- 1 raph raph 7005 Apr 26 18:04 161261
-rw------- 1 raph raph 7964 Apr 26 18:04 161262
-rw------- 1 raph raph 6583 Apr 26 18:04 161263
-rw------- 1 raph raph 369560 Apr 26 18:04 161264
-rw------- 1 raph raph 6865 Apr 26 18:04 161265
-rw------- 1 raph raph 6865 Apr 26 18:04 161266
-rw------- 1 raph raph 6663 Apr 26 18:04 161267
-rw------- 1 raph raph 7598 Apr 26 18:04 161268
-rw------- 1 raph raph 252910 Apr 26 18:04 161269
-rw------- 1 raph raph 7234 May 14 18:51 161421
-rw------- 1 raph raph 928 Jun 29 11:59 162150
-rw------- 1 raph raph 11381 Jun 29 12:19 162151
-rw------- 1 raph raph 7746 Jun 29 14:02 162152
-rw------- 1 raph raph 0 Jun 29 14:32 162153
raph@X1:~/.cache/evolution/mail/1480750025.14603.2@raph-ThinkPad-X1-Carbon-3rd/folders/INBOX/cur/09$

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial

Evolution 3.18.5.2

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: evolution 3.18.5.2-0ubuntu3.2
ProcVersionSignature: Ubuntu 4.4.0-128.154-generic 4.4.131
Uname: Linux 4.4.0-128-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CurrentDesktop: XFCE
Date: Fri Jun 29 14:36:03 2018
InstallationDate: Installed on 2016-12-03 (573 days ago)
InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: evolution
UpgradeStatus: No upgrade log present (probably fresh install)