Try

Author: VincentLanglet

Diff for: src/Rules/Properties/AccessPropertiesCheck.php

@@ -20,6 +20,7 @@
 use PHPStan\Type\ErrorType;
 use PHPStan\Type\StaticType;
 use PHPStan\Type\Type;
+use PHPStan\Type\UnionType;
 use PHPStan\Type\VerbosityLevel;
 use function array_map;
 use function array_merge;
@@ -157,7 +158,7 @@ private function processSingleProperty(Scope $scope, PropertyFetch $node, string
 				}
 			}
 
-			if ($type->hasStaticProperty($name)->yes()) {
+			if (!$type->hasStaticProperty($name)->no()) {
 				return [
 					RuleErrorBuilder::message(sprintf(
 						'Non-static access to static property %s::$%s.',

Diff for: src/Rules/Properties/AccessStaticPropertiesRule.php

@@ -200,7 +200,7 @@ private function processSingleProperty(Scope $scope, StaticPropertyFetch $node,
 				}
 			}
 
-			if ($classType->hasInstanceProperty($name)->yes()) {
+			if (!$classType->hasInstanceProperty($name)->no()) {
 				$hasPropertyTypes = TypeUtils::getHasPropertyTypes($classType);
 				foreach ($hasPropertyTypes as $hasPropertyType) {
 					if ($hasPropertyType->getPropertyName() === $name) {