Your integration software may be out-of-date - you mention above you are running version 1.5.2.
Try downloading the latest 1.5.4.1 version, with the patch for the SOE that was added in 1.5.3.1 (see Powerwall - Extended Parameters and Tesla Powerwall2 data to PVoutput?)??
Here’s the same section from mine yesterday…
2019-08-13 16:39:02,057 INFO [Thread-2] (WebClient.java:243) - >>> https://powerwall:443/api/meters/aggregates
2019-08-13 16:39:02,104 INFO [Thread-2] (WebClient.java:155) - >>> https://powerwall/api/system_status/soe
2019-08-13 16:40:02,229 INFO [Thread-2] (WebClient.java:243) - >>> https://powerwall:443/api/meters/aggregates
2019-08-13 16:40:02,307 INFO [Thread-2] (WebClient.java:155) - >>> https://powerwall/api/system_status/soe
2019-08-13 16:41:02,432 INFO [Thread-2] (WebClient.java:243) - >>> https://powerwall:443/api/meters/aggregates
2019-08-13 16:41:02,526 INFO [Thread-2] (WebClient.java:155) - >>> https://powerwall/api/system_status/soe
2019-08-13 16:42:02,651 INFO [Thread-2] (WebClient.java:243) - >>> https://powerwall:443/api/meters/aggregates
2019-08-13 16:42:02,792 INFO [Thread-2] (WebClient.java:155) - >>> https://powerwall/api/system_status/soe
2019-08-13 16:43:02,979 INFO [Thread-2] (WebClient.java:243) - >>> https://powerwall:443/api/meters/aggregates
2019-08-13 16:43:03,011 INFO [Thread-2] (WebClient.java:155) - >>> https://powerwall/api/system_status/soe
2019-08-13 16:43:35,276 INFO [Thread-1] (Controller.java:1806) - >>> 20190813,16:45,-1,-1,-1.0,721,-1000.0,238.7,340,721.698,177.3,100,156.49
2019-08-13 16:43:35,276 INFO [Thread-1] (WebClient.java:133) - >>> http://pvoutput.org:80/service/r2/addbatchstatus.jsp?data=20190813,16:45,-1,-1,-1.0,721,-1000.0,238.7,340,721.698,,177.3,100,156.49
2019-08-13 16:43:35,682 INFO [Thread-1] (Controller.java:1834) - <<< 20190813,16:45,1
My SOE was 100%, giving the ‘100’ in the second-last field where yours is missing a value.
Interesting that your log has the SOE being read in ‘PowerwallLogReader.java’ different from the ‘Webclient.java’ that is reading the main variables - whereas mine is being read in ‘WebClient.java’ for both, due to having the SOE patch fixed (which fix was to funnel the SOE read through Webclient.java, which does all the SSL magic for HTTPS to work)