Проблема с PHPWord

Пытаюсь использовать данную библиотеку в проекте.Столкнулся с проблемой :

PHP Warning:  is_dir(): open_basedir restriction in effect. File(/tmp/PHPWordWriter_5bda41ea880b51.91274208/) is not within the allowed path(s): (/home/admin/web/myhost.com/public_html:/home/admin/tmp) in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php on line 200
PHP Warning:  mkdir(): open_basedir restriction in effect. File(/tmp/PHPWordWriter_5bda41ea880b51.91274208/) is not within the allowed path(s): (/home/admin/web/myhost.com/public_html:/home/admin/tmp) in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php on line 201
PHP Warning:  is_dir(): open_basedir restriction in effect. File(/tmp/PHPWordWriter_5bda41ea880b51.91274208/) is not within the allowed path(s): (/home/admin/web/myhost.com/public_html:/home/admin/tmp) in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php on line 259
PHP Warning:  is_dir(): open_basedir restriction in effect. File(/tmp/PHPWordWriter_5bda41ea8b7220.84671578/) is not within the allowed path(s): (/home/admin/web/myhost.com/public_html:/home/admin/tmp) in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php on line 200
PHP Warning:  mkdir(): open_basedir restriction in effect. File(/tmp/PHPWordWriter_5bda41ea8b7220.84671578/) is not within the allowed path(s): (/home/admin/web/myhost.com/public_html:/home/admin/tmp) in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php on line 201
PHP Warning:  file_exists(): open_basedir restriction in effect. File(/tmp/557045771748010340.tmp) is not within the allowed path(s): (/home/admin/web/myhost.com/public_html:/home/admin/tmp) in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php on line 276
PHP Warning:  ZipArchive::open(): open_basedir restriction in effect. File(/tmp/557045771748010340.tmp) is not within the allowed path(s): (/home/admin/web/myhost.com/public_html:/home/admin/tmp) in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Shared/ZipArchive.php on line 135
PHP Warning:  ZipArchive::open(): open_basedir restriction in effect. File(/tmp/557045771748010340.tmp) is not within the allowed path(s): (/home/admin/web/myhost.com/public_html:/home/admin/tmp) in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Shared/ZipArchive.php on line 135
PHP Fatal error:  Uncaught Exception: Could not open '/tmp/557045771748010340.tmp' for writing. in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php:287\nStack trace:\n#0 /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/Word2007.php(99): PhpOffice\\PhpWord\\Writer\\AbstractWriter->getZipArchive('/tmp/5570457717...')\n#1 /home/admin/web/myhost.com/public_html/tst.php(47): 
PhpOffice\\PhpWord\\Writer\\Word2007->save('/tmp/5570457717...')\n#2 /home/admin/web/myhost.com/public_html/tst.php(52): SaveViaTempFile(Object(PhpOffice\\PhpWord\\Writer\\Word2007))\n#3 {main}\n  thrown in /home/admin/web/myhost.com/public_html/vendor/phpoffice/phpword/src/PhpWord/Writer/AbstractWriter.php on line 287

в php.ini директива имеет следующий вид - open_basedir=/tmp/:/home/admin/tmp/ Подскажите, в чем может быть проблема ?