Version 5.0.0 beta 10

applications/cms/sources/Blocks/Block.php

@@ -1060,6 +1060,11 @@ EOF;
 			$customBlocksWithBlocks = [];
 			foreach( Db::i()->select( '*', 'cms_blocks', [ 'block_type=?', 'custom' ] ) as $row )
 			{
+				if( empty( $row['block_content'] ) )
+				{
+					continue;
+				}
+
 				preg_match_all( '/\{block="(.+?)"}/is', $row['block_content'], $matches );
 				if( count( $matches[1] ) )
 				{