My Z5 bevahes the same, but only once:
[Wed 11.06. 13:00] 4420 +0 -124 /\\\
[EUR/CHF::S9388] Trail 6@1.2198 Stop 1.2174 at 13:31
Broker: Error - Cannot find a trade for order : 67027169@102654
Broker: Close order skipped 15499388
[EUR/CHF::S9388] Stop 6@1.2174: +11.09 at 13:31
I guess something happened at least at 11.06. 13:00, all logs in here show the identical error at this time.