That's what i get with debug mode on.
Message: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'order' cannot be null
File: /home/estrella/public_html/relojdedios.com/ow_core/database.php
Line: 315
Trace:
#0 /home/estrella/public_html/relojdedios.com/ow_core/database.php(315): PDOStatement->execute()
#1 /home/estrella/public_html/relojdedios.com/ow_core/database.php(419): OW_Database->execute('INSERT INTO `ow...', Array)
#2 /home/estrella/public_html/relojdedios.com/ow_core/database.php(454): OW_Database->insert('INSERT INTO `ow...', Array)
#3 /home/estrella/public_html/relojdedios.com/ow_core/base_dao.php(209): OW_Database->insertObject('ow_base_languag...', Object(BOL_Language))
#4 /home/estrella/public_html/relojdedios.com/ow_system_plugins/base/bol/language_service.php(451): OW_BaseDao->save(Object(BOL_Language))
#5 /home/estrella/public_html/relojdedios.com/ow_system_plugins/base/bol/language_service.php(404): BOL_LanguageService->save(Object(BOL_Language))
#6 /home/estrella/public_html/relojdedios.com/ow_system_plugins/admin/controllers/languages.php(111): BOL_LanguageService->importPrefix(Object(SimpleXMLElement))
#7 [internal function]: ADMIN_CTRL_Languages->import(Array)
#8 /home/estrella/public_html/relojdedios.com/ow_core/dispatcher.php(239): ReflectionMethod->invokeArgs(Object(ADMIN_CTRL_Languages), Array)
#9 /home/estrella/public_html/relojdedios.com/ow_core/application.php(285): OW_Dispatcher->dispatch()
#10 /home/estrella/public_html/relojdedios.com/index.php(65): OW_Application->dispatch()
#11 {main}