diff --git a/compiler/build/scoper.inc.php b/compiler/build/scoper.inc.php
index de2efea971a0..050efd807136 100644
--- a/compiler/build/scoper.inc.php
+++ b/compiler/build/scoper.inc.php
@@ -168,5 +168,7 @@ function (string $filePath, string $prefix, string $content): string {
         'PhpParser\*',
         // mimics https://github.com/phpstan/phpstan-src/commit/23d5ca04ab6213f53a0e6c2e77857b23a73aa41d
         'Hoa\*',
+        // @see https://github.com/rectorphp/rector/issues/2955
+        'OxidEsales\*',
     ],
 ];
diff --git a/rules/dead-code/src/Rector/MethodCall/RemoveDefaultArgumentValueRector.php b/rules/dead-code/src/Rector/MethodCall/RemoveDefaultArgumentValueRector.php
index f6f14a4a4997..34c18fa05f35 100644
--- a/rules/dead-code/src/Rector/MethodCall/RemoveDefaultArgumentValueRector.php
+++ b/rules/dead-code/src/Rector/MethodCall/RemoveDefaultArgumentValueRector.php
@@ -11,6 +11,7 @@
 use PhpParser\Node\Expr\MethodCall;
 use PhpParser\Node\Expr\StaticCall;
 use PhpParser\Node\FunctionLike;
+use PhpParser\Node\Name;
 use Rector\Core\Rector\AbstractRector;
 use Rector\Core\RectorDefinition\CodeSample;
 use Rector\Core\RectorDefinition\RectorDefinition;
@@ -111,6 +112,10 @@ private function shouldSkip(Node $node): bool
             return false;
         }
 
+        if (! $node->name instanceof Name) {
+            return true;
+        }
+
         $functionName = $this->getName($node->name);
         if ($functionName === null) {
             return false;
diff --git a/rules/phpunit/src/Rector/Class_/AddSeeTestAnnotationRector.php b/rules/phpunit/src/Rector/Class_/AddSeeTestAnnotationRector.php
index fb646d27df94..6e223cc9a324 100644
--- a/rules/phpunit/src/Rector/Class_/AddSeeTestAnnotationRector.php
+++ b/rules/phpunit/src/Rector/Class_/AddSeeTestAnnotationRector.php
@@ -107,8 +107,11 @@ private function shouldSkipClass(Class_ $class, string $testCaseClassName): bool
             return true;
         }
 
-        /** @var PhpDocInfo $phpDocInfo */
+        /** @var PhpDocInfo|null $phpDocInfo */
         $phpDocInfo = $class->getAttribute(AttributeKey::PHP_DOC_INFO);
+        if ($phpDocInfo === null) {
+            return true;
+        }
 
         $seeTags = $phpDocInfo->getTagsByName('see');
 
diff --git a/rules/phpunit/src/Rector/SpecificMethod/AssertTrueFalseInternalTypeToSpecificMethodRector.php b/rules/phpunit/src/Rector/SpecificMethod/AssertTrueFalseInternalTypeToSpecificMethodRector.php
index 668dcc1c4e5d..f1e386057915 100644
--- a/rules/phpunit/src/Rector/SpecificMethod/AssertTrueFalseInternalTypeToSpecificMethodRector.php
+++ b/rules/phpunit/src/Rector/SpecificMethod/AssertTrueFalseInternalTypeToSpecificMethodRector.php
@@ -92,9 +92,13 @@ public function refactor(Node $node): ?Node
             return null;
         }
 
-        /** @var FuncCall $firstArgumentValue */
+        /** @var FuncCall|Node $firstArgumentValue */
         $firstArgumentValue = $node->args[0]->value;
 
+        if (! $firstArgumentValue instanceof FuncCall) {
+            return null;
+        }
+
         $functionName = $this->getName($firstArgumentValue);
         if (! isset(self::OLD_FUNCTIONS_TO_TYPES[$functionName])) {
             return null;