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Fatal error: Uncaught exception 'Exception' with message 'The string cannot be null.' in /var/www/sda/6/d/flatboard/spectre/plugin/identicon/Identicon/Generator/BaseGenerator.php:193 Stack trace: #0 /var/www/sda/6/d/flatboard/spectre/plugin/identicon/Identicon/Generator/GdGenerator.php(73): Identicon\Generator\BaseGenerator->setString(NULL) #1 /var/www/sda/6/d/flatboard/spectre/plugin/identicon/Identicon/Generator/GdGenerator.php(60): Identicon\Generator\GdGenerator->getImageResource(NULL, '100', NULL, NULL) #2 /var/www/sda/6/d/flatboard/spectre/plugin/identicon/Identicon/Identicon.php(68): Identicon\Generator\GdGenerator->getImageBinaryData(NULL, '100', NULL, NULL) #3 /var/www/sda/6/d/flatboard/spectre/plugin/identicon/Identicon/Identicon.php(98): Identicon\Identicon->getImageData(NULL, '100', NULL, NULL) #4 /var/www/sda/6/d/flatboard/spectre/plugin/identicon/identicon.plg.php(81): Identicon\Identicon->getImageDataUri(NULL, '100') #5 /var/www/sda/6/d/flatboard/spectre/lib/Plugin.lib.php(42): identicon_profile(NULL) #6 /v in /var/www/sda/6/d/flatboard/spectre/plugin/identicon/Identicon/Generator/BaseGenerator.php on line 193