Php warnings and XML problem

Hi,

i have a lot of warnings in my php errors log and the icons on the widgets are not at the right place anymore since last update.

Here’s my php error file since latest update :

[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 23
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Cannot assign an empty string to a string offset in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 23
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontSize' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 25
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Cannot assign an empty string to a string offset in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 25
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontStyle' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 27
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Cannot assign an empty string to a string offset in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 27
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontColor' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 29
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Cannot assign an empty string to a string offset in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 29
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Show_popupOn' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 31
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Cannot assign an empty string to a string offset in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 31
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Shown_pop' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 33
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Cannot assign an empty string to a string offset in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 33
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Shown_popupOnceTime' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 35
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Cannot assign an empty string to a string offset in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 35
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_text' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 243
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_text' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 243
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 255
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 257
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 259
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 261
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 263
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 265
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 267
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 269
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 271
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 273
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 275
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 277
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_font' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 279
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontStyle' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 295
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontStyle' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 297
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontStyle' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 299
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontStyle' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 301
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontColor' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 313
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontColor' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 313
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontSize' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 321
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_fontSize' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 321
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_background_color' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 335
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_background_color' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 335
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_border_color' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 344
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_border_color' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 344
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_border_thickness' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 355
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_border_thickness' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 355
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_border_shadow' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 367
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_popup_border_shadow' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 369
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Show_popupOn' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 390
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Show_popupOn' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 396
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Show_popupOn' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 402
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Show_popupOn' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 408
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Shown_pop' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 474
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Shown_popupOnceTime' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 474
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Shown_popupOnceTime' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 474
[12-Dec-2019 21:44:12 UTC] PHP Warning:  Illegal string offset 'sfsi_Shown_pop' in [Website directory]\ultimate-social-media-icons\views\sfsi_option_view7.php on line 480

Thanks for your help.

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