Dear andre bogdan,
Please go to your_site/modules/mod_sj_content_slideshowii/mod_sj_content_slideshowii.xml and find:
<fieldset name="General Options" label="General Options">
...
<fieldset name="Content Options" label="Content Options">
...
<fieldset name="Image Options" label="Image Options">
...
<fieldset name="Effect Options" label="Effect Options">
...
=> Please change to:
<fieldset name="General_Options" label="General Options">
...
<fieldset name="Content_Options" label="Content Options">
...
<fieldset name="Image_Options" label="Image Options">
...
<fieldset name="Effect_Options" label="Effect Options">
...
Thanks
