Error on files without namespace

[andreshg112]

I'm getting this error in class files where there's no a defined namespace:

[Error - 17:38:31] Request textDocument/formatting failed.
  Message: Exception: Unable to format file in /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/felixfbecker/language-server/src/Formatter.php:52
Stack trace:
#0 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/felixfbecker/language-server/src/PhpDocument.php(244): LanguageServer\Formatter::format('<?php\n\nuse Illu...', 'file:///opt/lam...')
#1 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/felixfbecker/language-server/src/Server/TextDocument.php(179): LanguageServer\PhpDocument->getFormattedText()
#2 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Promise.php(242): LanguageServer\Server\TextDocument->LanguageServer\Server\{closure}(Object(LanguageServer\PhpDocument))
#3 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Loop/Loop.php(261): Sabre\Event\Promise->Sabre\Event\{closure}()
#4 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Loop/Loop.php(215): Sabre\Event\Loop\Loop->runNextTicks()
#5 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Loop/Loop.php(194): Sabre\Event\Loop\Loop->tick(true)
#6 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Loop/functions.php(122): Sabre\Event\Loop\Loop->run()
#7 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/felixfbecker/language-server/bin/php-language-server.php(102): Sabre\Event\Loop\run()
#8 {main}
  Code: -32603 
[Error - 17:39:50] Request textDocument/formatting failed.
  Message: Exception: Unable to format file in /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/felixfbecker/language-server/src/Formatter.php:52
Stack trace:
#0 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/felixfbecker/language-server/src/PhpDocument.php(244): LanguageServer\Formatter::format('<?php\n\nuse Illu...', 'file:///opt/lam...')
#1 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/felixfbecker/language-server/src/Server/TextDocument.php(179): LanguageServer\PhpDocument->getFormattedText()
#2 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Promise.php(242): LanguageServer\Server\TextDocument->LanguageServer\Server\{closure}(Object(LanguageServer\PhpDocument))
#3 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Loop/Loop.php(261): Sabre\Event\Promise->Sabre\Event\{closure}()
#4 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Loop/Loop.php(215): Sabre\Event\Loop\Loop->runNextTicks()
#5 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Loop/Loop.php(194): Sabre\Event\Loop\Loop->tick(true)
#6 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/sabre/event/lib/Loop/functions.php(122): Sabre\Event\Loop\Loop->run()
#7 /home/andreshg112/.vscode/extensions/felixfbecker.php-intellisense-1.1.1/vendor/felixfbecker/language-server/bin/php-language-server.php(102): Sabre\Event\Loop\run()
#8 {main}
  Code: -32603 

[felixfbecker]

This issue was moved to felixfbecker/php-language-server#293