Collabora Container must be restarted or remove after 4-5 days to open documents from nextcloudcollabora container must be restarted to open documents from nextcloud

Operating system: Ubuntu 16.04.2 LTS (XENIAL)
Web server: Apache/2.4.18
Database: 10.0.29-Mariadb
PHP version: 7.0.15
Nextcloud version: 12.0.0

With the fresh container it works fine but as I open the word/excel file in nextcloud it starts genrate this error Logs:

Generating RSA private key, 2048 bit long modulus
…+++
…+++
e is 65537 (0x10001)
Generating RSA private key, 2048 bit long modulus
…+++
…+++
e is 65537 (0x10001)
Signature ok
subject=/C=DE/ST=BW/L=Stuttgart/O=Dummy Authority/CN=localhost
Getting CA Private Key
loolforkit version details: 2.1.1 - 52f0568e
office version details: { “ProductName”: “Collabora Office”, “ProductVersion”: “5.3”, “ProductExtension”: “.10.13”, “BuildId”: “e639c2ad9c05a793b16db13bd879342ed75dcf95” }
wsd-00026-00034 07:12:59.477586 [ websrv_poll ] WRN WOPI host did not pass optional access_token_ttl| wsd/FileServer.cpp:317
wsd-00026-00036 07:13:01.474901 [ docbroker_001 ] WRN Missing JSON property [HidePrintOption]| wsd/Storage.cpp:387
wsd-00026-00036 07:13:01.474961 [ docbroker_001 ] WRN Missing JSON property [HideSaveOption]| wsd/Storage.cpp:387
wsd-00026-00036 07:13:01.474997 [ docbroker_001 ] WRN Missing JSON property [HideExportOption]| wsd/Storage.cpp:387
wsd-00026-00036 07:13:01.475021 [ docbroker_001 ] WRN Missing JSON property [EnableOwnerTermination]| wsd/Storage.cpp:387
wsd-00026-00036 07:13:01.475053 [ docbroker_001 ] WRN Missing JSON property [DisablePrint]| wsd/Storage.cpp:387
wsd-00026-00036 07:13:01.475073 [ docbroker_001 ] WRN Missing JSON property [DisableExport]| wsd/Storage.cpp:387
wsd-00026-00036 07:13:01.475104 [ docbroker_001 ] WRN Missing JSON property [DisableCopy]| wsd/Storage.cpp:387
wsd-00026-00036 07:13:01.475124 [ docbroker_001 ] WRN Missing JSON property [LastModifiedTime]| wsd/Storage.cpp:387
wsd-00026-00036 07:13:01.498861 [ docbroker_001 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00036 07:13:15.800933 [ docbroker_001 ] ERR Socket #18 SSL BIO error: error:140D00CF:SSL routines:SSL_write:protocol is shutdown (errno: Transport endpoint is not connected)| ./net/SslSocket.hpp:273
wsd-00026-00036 07:13:15.801173 [ docbroker_001 ] WRN ToClient-0002: Exception while closing socket for docKey [nextcloud-forum-asia.org:443/apps/richdocuments/wopi/files/136750_ocuyeaonhtz6]: error:140D00CF:SSL routines:SSL_write:protocol is shutdown| wsd/ClientSession.cpp:805
wsd-00026-00027 07:13:15.803685 [ prisoner_poll ] WRN Waking up dead poll thread [docbroker_001], started: true, finished: true| ./net/Socket.hpp:507
wsd-00026-00027 07:13:15.803735 [ prisoner_poll ] WRN Waking up dead poll thread [docbroker_001], started: true, finished: true| ./net/Socket.hpp:507
wsd-00026-00027 07:13:15.803809 [ prisoner_poll ] WRN Waking up dead poll thread [docbroker_001], started: false, finished: true| ./net/Socket.hpp:507
wsd-00026-00027 07:13:15.803831 [ prisoner_poll ] WRN Waking up dead poll thread [docbroker_001], started: false, finished: true| ./net/Socket.hpp:507
wsd-00026-00034 09:25:55.031310 [ websrv_poll ] WRN WOPI host did not pass optional access_token_ttl| wsd/FileServer.cpp:317
wsd-00026-00043 09:25:59.161378 [ docbroker_002 ] ERR getWOPIValue: Invalid access: Can not convert empty value.| wsd/Storage.cpp:381
wsd-00026-00043 09:25:59.161440 [ docbroker_002 ] ERR getWOPIValue: Invalid access: Can not convert empty value.| wsd/Storage.cpp:381
wsd-00026-00043 09:25:59.161484 [ docbroker_002 ] WRN Missing JSON property [HidePrintOption]| wsd/Storage.cpp:387
wsd-00026-00043 09:25:59.161509 [ docbroker_002 ] WRN Missing JSON property [HideSaveOption]| wsd/Storage.cpp:387
wsd-00026-00043 09:25:59.161531 [ docbroker_002 ] WRN Missing JSON property [HideExportOption]| wsd/Storage.cpp:387
wsd-00026-00043 09:25:59.161555 [ docbroker_002 ] WRN Missing JSON property [EnableOwnerTermination]| wsd/Storage.cpp:387
wsd-00026-00043 09:25:59.161572 [ docbroker_002 ] WRN Missing JSON property [DisablePrint]| wsd/Storage.cpp:387
wsd-00026-00043 09:25:59.161587 [ docbroker_002 ] WRN Missing JSON property [DisableExport]| wsd/Storage.cpp:387
wsd-00026-00043 09:25:59.161601 [ docbroker_002 ] WRN Missing JSON property [DisableCopy]| wsd/Storage.cpp:387
wsd-00026-00043 09:25:59.161621 [ docbroker_002 ] WRN Missing JSON property [LastModifiedTime]| wsd/Storage.cpp:387
wsd-00026-00043 09:25:59.192382 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:26:20.258363 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:26:20.258392 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:26:40.281547 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:26:40.281575 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:27:00.304137 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:27:00.304166 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:27:18.916601 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:27:18.916753 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:27:40.944348 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:27:40.944376 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:28:00.968568 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285
wsd-00026-00043 09:28:00.968597 [ docbroker_002 ] WRN Attempted ping on non-upgraded websocket!| ./net/WebSocketHandler.hpp:285