PHP Warnings on Image Style definitions and library functions

Hi all

Great module :-) finally :-)

But :-) ...

Some messages

Notice: Undefined index: theme in flexslider_add() (line 288 of /sites/all/modules/flexslider/flexslider-7.x-1.x-dev-b549e1b/flexslider.module).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: theme in flexslider_add() (line 288 of /sites/all/modules/flexslider/flexslider-7.x-1.x-dev-b549e1b/flexslider.module).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: theme in flexslider_add() (line 288 of /sites/all/modules/flexslider/flexslider-7.x-1.x-dev-b549e1b/flexslider.module).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Undefined index: height in image_scale_dimensions() (line 157 of /modules/image/image.effects.inc).
Notice: Trying to get property of non-object in user_access() (line 790 of /modules/user/user.module).
Notice: Trying to get property of non-object in user_access() (line 802 of /modules/user/user.module).
Notice: Trying to get property of non-object in user_access() (line 803 of /modules/user/user.module).
Notice: Trying to get property of non-object in user_access() (line 809 of /modules/user/user.module).
Notice: Trying to get property of non-object in user_access() (line 812 of /modules/user/user.module).

I will disable messages, the error ones, for anonymous

If i can help say me how :-) (good instructions because usually only i translate but with good teacher i make miracles :-)

Best regards
ArchGalileu