Gantt connector-php Access control: order operation blocked

Hello Goodnight
I have the following problem, I am using connector-php in gantt module, when trying to change position in the gantt, it indicates an error, I add this

This happens when you want to drag and drop a task in the gantt

The connector-php version is the 17-Dec-2018 version

Attached log

====================================

Log started, 05/02/2021 09:46:40

====================================

DataProcessor object initialized

428_id => 428

428_text => New task

428_type => 

428_start_date => 2020-12-07 00:00

428_duration => 1

428_progress => 0

428_end_date => 2020-12-08 00:00

428_owner_id => 0

428_resources => 

428_parent => 0

428_priority => 1

428_stage => 1

428_constraint_type => asap

428_owner => [{“resource_id”:995,“value”:0}]

428_target => 426

428_!nativeeditor_status => order

ids => 428

script_case_init => 6582

Row data [428]

id => 428

text => New task

type => 

start_date => 2020-12-07 00:00

duration => 1

progress => 0

end_date => 2020-12-08 00:00

owner_id => 0

resources => 

parent => 0

priority => 1

stage => 1

constraint_type => asap

owner => [{“resource_id”:995,“value”:0}]

target => 426

!nativeeditor_status => order

Access control: order operation blocked

Hello,

Unfortunately, I couldn’t reproduce that issue locally.

It is hard to suggest what might be wrong as I don’t see your code. Please, send me a ready demo with all the necessary Javascript and CSS files so that I can reproduce the issue locally.