Exception in T3SBS\T3sbootstrap\Utility\BackgroundImageUtility::getBgImage() must be of the type int, null given

[ReneFichtner]

Typo3 10.4.30 also 10.4.29 PHP 7.4
trouble with BackgroundImageUtility:

Core: Exception handler (WEB): Uncaught TYPO3 Exception: Argument 1 passed to T3SBS\T3sbootstrap\Utility\BackgroundImageUtility::getBgImage() must be of the type int, null given, called inpublic/typo3conf/ext/t3sbootstrap/Classes/DataProcessing/ConfigProcessor.php on line 389 | TypeError thrown in file /public/typo3conf/ext/t3sbootstrap/Classes/Utility/BackgroundImageUtility.php in line 39. Requested URL: https://XYZ.html

and

Core: Error handler (FE): PHP Warning: Invalid argument supplied for foreach() in /public/typo3conf/ext/t3sbootstrap/Classes/DataProcessing/ConfigProcessor.php line 366

and

Core: Error handler (FE): PHP Warning: Invalid argument supplied for foreach() in /public/typo3conf/ext/t3sbootstrap/Classes/DataProcessing/ConfigProcessor.php line 92

Problem is in T3S Bootstrap Developer and latest version

Also the images in the Carousel Items are ending up in an oops error...

[ReneFichtner]

DEV MASTER is resolving the problem now. Thanks for your work.