LPAR2RRD problems post XCP‑NG 8.3 upgrade

Problems occurred with generating LPAR2RRD graphs after the XCP‑NG upgrade from 8.2 to 8.3.

I also updated LPAR2RRD to version 8.05

But, after run /var/lpar2rrd$ ./load_xenserver.sh command:

I have a problem:

mon:/var/lpar2rrd$ ./load_xenserver.sh 

load_xenserver.sh   : start

xen-xapi2json.pl    : collect data from XAPI, Fri Oct 17 16:16:18 EEST 2025

data collection  : done successfully, Fri Oct 17 16:16:19 2025

xen-json2rrd.pl    : push data to rrd, Fri Oct 17 16:16:19 EEST 2025

RRDp  version: 1.7002 

RRDtool version: 1.7.2

xen-json2rrd.pl finish : status 0

xen-cleanup.pl : already ran today, skip

An error occured in lpar2rrd, check /var/lpar2rrd/logs/error.log-xen and output of load.sh

$ tail -42 /var/lpar2rrd/logs/error.log-xen

XML parsing error: 

not well-formed (invalid token) at line 1, column 0, byte 0 at /usr/lib/x86_64-linux-gnu/perl5/5.36/XML/Parser.pm line 187.

XML::Simple called at /var/lpar2rrd/bin/xen-xapi2json.pl line 152.

XML parsing error. Trying to recover XML with xmllint at /var/lpar2rrd/bin/xen-xapi2json.pl line 155.

/var/lpar2rrd/data/XEN_iostats/xml/rrd_updates_xen05_1760705779.xml:1: parser error : Start tag expected, '<' not found

{"meta":{"start":"1760705820","step":"60","end":"1760706960","rows":"20","column

^

Fri Oct 17 16:16:19 2025: XML parsing error: 

no element found at line 2, column 0, byte 22 at /usr/lib/x86_64-linux-gnu/perl5/5.36/XML/Parser.pm line 187.

XML::Simple called at /var/lpar2rrd/bin/xen-xapi2json.pl line 159.

/var/lpar2rrd/bin/xen-xapi2json.pl:163 file: /var/lpar2rrd/data/XEN_iostats/xml/rrd_updates_xen05_1760705779.xml at /var/lpar2rrd/bin/xen-xapi2json.pl line 163.

XML parsing error: File: /var/lpar2rrd/data/XEN_iostats/xml/rrd_updates_xen05_1760705779.xml at /var/lpar2rrd/bin/xen-xapi2json.pl line 164.

Fri Oct 17 16:16:19 2025: error while connecting to xen05, error: error: invalid XML

 : /var/lpar2rrd/bin/xen-xapi2json.pl:75 at /var/lpar2rrd/bin/xen-xapi2json.pl line 75.

XML parsing error: 

not well-formed (invalid token) at line 1, column 0, byte 0 at /usr/lib/x86_64-linux-gnu/perl5/5.36/XML/Parser.pm line 187.

XML::Simple called at /var/lpar2rrd/bin/xen-xapi2json.pl line 152.

XML parsing error. Trying to recover XML with xmllint at /var/lpar2rrd/bin/xen-xapi2json.pl line 155.

/var/lpar2rrd/data/XEN_iostats/xml/rrd_updates_xen06_1760705779.xml:1: parser error : Start tag expected, '<' not found

{"meta":{"start":"1760705820","step":"60","end":"1760706960","rows":"20","column

^

Fri Oct 17 16:16:19 2025: XML parsing error: 

no element found at line 2, column 0, byte 22 at /usr/lib/x86_64-linux-gnu/perl5/5.36/XML/Parser.pm line 187.

XML::Simple called at /var/lpar2rrd/bin/xen-xapi2json.pl line 159.

/var/lpar2rrd/bin/xen-xapi2json.pl:163 file: /var/lpar2rrd/data/XEN_iostats/xml/rrd_updates_xen07_1760705779.xml at /var/lpar2rrd/bin/xen-xapi2json.pl line 163.

XML parsing error: File: /var/lpar2rrd/data/XEN_iostats/xml/rrd_updates_xen07_1760705779.xml at /var/lpar2rrd/bin/xen-xapi2json.pl line 164.

Fri Oct 17 16:16:19 2025: error while connecting to xen07, error: error: invalid XML

 : /var/lpar2rrd/bin/xen-xapi2json.pl:75 at /var/lpar2rrd/bin/xen-xapi2json.pl line 75.

date end all  : Fri Oct 17 16:16:19 EEST 2025

Does anyone know anything about this?