IP-1836: Upgrading from 1.5.3 to 1.5.x on debian 9 fails

Quote from Youtrack

Reporter	Dirk Klare (DKlare)
Created	Oct 3, 2019 11:26:24 AM
Updated	Oct 3, 2019 11:26:24 AM
Priority	Normal
Type	Review
State	Submitted
Assignee	Laurent Declercq (nuxwin)
Subsystem	No subsystem
Affected versions	1.5.3
Milestone	1.6.0
Severity	No severity

[ERROR] main::setupDbTasks: ARRAY(0x55d8b18c9c28)
[ERROR] autoinstaller::Functions::install: An error occurred while performing installation steps

Source: https://youtrack.i-mscp.net/issue/IP-1836