Error when importing IPS4 polls

[K a M a L]

I got this error with latest two IPS imports I did
Code:

ErrorException: [E_WARNING] end() expects parameter 1 to be array, bool given , src/addons/XFI/Import/Importer/IpsForums.php:1914
Code:

Stack trace

#0 [internal function]: XF::handlePhpError(2, '[E_WARNING] end...', '/var/www...', 1914, Array)
#1 src/addons/XFI/Import/Importer/IpsForums.php(1914): end(false)
#2 src/XF/Import/Runner.php(244): XFI\Import\Importer\IpsForums->stepPolls(Object(XF\Import\StepState), Array, 8)
#3...

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