No se me abre el blog (fatal error). AYUDA POR FAVOR!!

Hola a todos!!!

Soy nuevo en el mundo WordPress y ando bastante pez…

Ayer, al actualizar mi Plug-in WooCommerce, me salió un mensaje que decía algo así como que no era posible porque estaba la página en mantenimiento.

Pues bien, después de esto no me deja entrar en mi blog desde ningún PC, ni navegador ni nada. Me sale el siguiente mensaje (es un poco largo, lo siento):

Warning: include_once(includes/wc-core-functions.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 247

Warning: include_once() [function.include]: Failed opening ‘includes/wc-core-functions.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 247

Warning: include_once(includes/class-wc-install.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 248

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-install.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 248

Warning: include_once(includes/class-wc-download-handler.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 249

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-download-handler.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 249

Warning: include_once(includes/class-wc-comments.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 250

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-comments.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 250

Warning: include_once(includes/class-wc-post-data.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 251

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-post-data.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 251

Warning: include_once(includes/wc-cart-functions.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 304

Warning: include_once() [function.include]: Failed opening ‘includes/wc-cart-functions.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 304

Warning: include_once(includes/wc-notice-functions.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 305

Warning: include_once() [function.include]: Failed opening ‘includes/wc-notice-functions.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 305

Warning: include_once(includes/abstracts/abstract-wc-session.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 308

Warning: include_once() [function.include]: Failed opening ‘includes/abstracts/abstract-wc-session.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 308

Warning: include_once(includes/class-wc-session-handler.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 309

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-session-handler.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 309

Warning: include_once(includes/wc-template-hooks.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 310

Warning: include_once() [function.include]: Failed opening ‘includes/wc-template-hooks.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 310

Warning: include_once(includes/class-wc-template-loader.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 311

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-template-loader.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 311

Warning: include_once(includes/class-wc-frontend-scripts.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 312

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-frontend-scripts.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 312

Warning: include_once(includes/class-wc-form-handler.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 313

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-form-handler.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 313

Warning: include_once(includes/class-wc-cart.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 314

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-cart.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 314

Warning: include_once(includes/class-wc-tax.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 315

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-tax.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 315

Warning: include_once(includes/class-wc-customer.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 316

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-customer.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 316

Warning: include_once(includes/class-wc-shortcodes.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 317

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-shortcodes.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 317

Warning: include_once(includes/class-wc-https.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 318

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-https.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 318

Warning: include(includes/class-wc-query.php) [function.include]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 266

Warning: include() [function.include]: Failed opening ‘includes/class-wc-query.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 266

Warning: include_once(includes/class-wc-post-types.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 269

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-post-types.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 269

Warning: include_once(includes/class-wc-api.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 272

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-api.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 272

Warning: include_once(includes/abstracts/abstract-wc-product.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 275

Warning: include_once() [function.include]: Failed opening ‘includes/abstracts/abstract-wc-product.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 275

Warning: include_once(includes/abstracts/abstract-wc-order.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 276

Warning: include_once() [function.include]: Failed opening ‘includes/abstracts/abstract-wc-order.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 276

Warning: include_once(includes/abstracts/abstract-wc-settings-api.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 277

Warning: include_once() [function.include]: Failed opening ‘includes/abstracts/abstract-wc-settings-api.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 277

Warning: include_once(includes/abstracts/abstract-wc-shipping-method.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 278

Warning: include_once() [function.include]: Failed opening ‘includes/abstracts/abstract-wc-shipping-method.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 278

Warning: include_once(includes/abstracts/abstract-wc-payment-gateway.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 279

Warning: include_once() [function.include]: Failed opening ‘includes/abstracts/abstract-wc-payment-gateway.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 279

Warning: include_once(includes/abstracts/abstract-wc-integration.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 280

Warning: include_once() [function.include]: Failed opening ‘includes/abstracts/abstract-wc-integration.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 280

Warning: include_once(includes/class-wc-product-factory.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 283

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-product-factory.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 283

Warning: include_once(includes/class-wc-countries.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 284

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-countries.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 284

Warning: include_once(includes/class-wc-integrations.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 285

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-integrations.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 285

Warning: include_once(includes/class-wc-cache-helper.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 286

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-cache-helper.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 286

Warning: include_once(includes/class-wc-language-pack-upgrader.php) [function.include-once]: failed to open stream: No such file or directory in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 289

Warning: include_once() [function.include]: Failed opening ‘includes/class-wc-language-pack-upgrader.php’ for inclusion (include_path=’.:/opt/php-5.3/pear’) in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 289

Fatal error: Class ‘WC_API’ not found in /home/u504225563/public_html/wp-content/plugins/woocommerce/woocommerce.php on line 139

Espero que me podáis ayudar de alguna forma. Si necesitáis que os ponga el link del blog lo pongo si me lo pedís.

¡¡¡¡MUCHÍSIMAS GRACIAS DE ANTEMANO!!!!!