Fixed: FS#524 - error Message by double Domain entry

Author: tbrehm

interface/web/sites/lib/lang/en_web_domain.lng

@@ -35,7 +35,7 @@ $wb["limit_web_aliasdomain_txt"] = 'The max. number of aliasdomains for your acc
 $wb["limit_web_subdomain_txt"] = 'The max. number of web subdomains for your account is reached.';
 $wb["apache_directives_txt"] = 'Apache directives';
 $wb["domain_error_empty"] = 'Domain is empty.';
-$wb["domain_error_unique"] = 'Domain must be unique.';
+$wb["domain_error_unique"] = 'There is already a website or sub / aliasdomain with this domain name.';
 $wb["domain_error_regex"] = 'Domain name invalid.';
 $wb["hd_quota_error_empty"] = 'Harddisk quota is empty.';
 $wb["traffic_quota_error_empty"] = 'Traffic quota is empty.';

interface/web/sites/lib/lang/en_web_subdomain.lng

@@ -33,6 +33,6 @@ $wb["limit_web_aliasdomain_txt"] = 'The max. number of aliasdomains for your acc
 $wb["limit_web_subdomain_txt"] = 'The max. number of web subdomains for your account is reached.';
 $wb["apache_directives_txt"] = 'Apache directives';
 $wb["domain_error_empty"] = 'Domain is empty.';
-$wb["domain_error_unique"] = 'Domain must be unique.';
+$wb["domain_error_unique"] = 'There is already a website or sub / aliasdomain with this domain name.';
 $wb["domain_error_regex"] = 'Domain name invalid.';
 ?>