How to resolve the validations error for module

[narendra1984ab]

Hi all

 

Anybody can help me to resolve this prestashop validation error. I already resolve most of the errors but related webservice api i am unable to remove follow errors. Thanks in advance 

 

PSWebServiceLibrary.php

• End of line character is invalid; expected "\n" but found "\r\n" 1. <?php

Expected 1 space after class name; 2 found 28. class·PrestaShopWebservice

Each class must be in a file by itself 429. class·PrestaShopWebserviceException·extends·Exception