Bug adding new fields #263

Hi everybody,
I get an error when i add a new field.
GLPI 9.3 and Fields 1.8.1

Any ideas ?

Fatal error: Uncaught Error: Class 'PluginFieldsSoftwareghdcs' not found in /var/www/html/glpi/plugins/fields/inc/field.class.php:109 Stack trace: #0 /var/www/html/glpi/inc/commondbtm.class.php(937): PluginFieldsField->prepareInputForAdd(Array) #1 /var/www/html/glpi/plugins/fields/front/field.form.php(14): CommonDBTM->add(Array) #2 {main} thrown in /var/www/html/glpi/plugins/fields/inc/field.class.php on line 109