NagVis cannot modify object on map (after upgrade)

[trenz.sands.cz]

OS:
Operating System: CentOS Linux 7 (Core)
CPE OS Name: cpe:/o:centos:centos:7
Kernel: Linux 3.10.0-1160.31.1.el7.x86_64
Architecture: x86-64
Nagios:
Nagios XI 5.8.5
NagVis:
NagVis Version 1.9.8
PHP Version 5.4.16
MySQL Version mysql Ver 15.1 Distrib 5.5.68-MariaDB, for Linux (x86_64) using readline 5.1
BackGround:
There was upgrade from olg Nagios XI 2014 32bit to latest nagios XI 64bit. Migrated NagVis successfully.

Now I cannot modify object - it thrws javascript alert:
[22/Oct/2021:10:08:06 +0200] 192.168.110.198 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 "GET /nagvis/server/core/ajax_handler.php?mod=Map&act=addModify&show=Mapa&object_id=u17628&_ajaxid=1634890086 HTTP/1.1" 71
{
"message": "The object does not exist.",
"title": "ERROR",
"type": "error"
}

[benjaminsmith]

Hi,

We'll close this post out since it's a duplicate, and we'll follow up in the thread below.

https://support.nagios.com/forum/viewto ... 804#337155

Thanks,
Benjamin