Check my error log, whats wrong?

[Maxtor]

[24-Jun-2020 09:26:02 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[26-Jun-2020 10:51:21 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[29-Jun-2020 13:34:24 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[03-Jul-2020 15:51:34 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[06-Jul-2020 17:20:00 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[07-Jul-2020 07:42:58 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[10-Jul-2020 10:39:40 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[11-Jul-2020 13:14:33 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[12-Jul-2020 20:20:58 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[13-Jul-2020 08:33:31 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[15-Jul-2020 06:37:44 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[19-Jul-2020 18:04:29 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[21-Jul-2020 15:29:58 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[25-Jul-2020 17:56:53 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[26-Jul-2020 21:42:24 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[28-Jul-2020 10:21:11 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[31-Jul-2020 17:37:01 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[01-Aug-2020 06:40:06 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[02-Aug-2020 23:01:39 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[04-Aug-2020 12:45:51 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[06-Aug-2020 07:05:42 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[07-Aug-2020 08:02:58 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[10-Aug-2020 14:23:00 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[13-Aug-2020 05:24:34 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[16-Aug-2020 00:41:46 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[18-Aug-2020 16:05:53 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[21-Aug-2020 07:12:50 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[22-Aug-2020 14:50:33 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[22-Aug-2020 21:59:07 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[23-Aug-2020 20:47:48 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[25-Aug-2020 13:12:03 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[25-Aug-2020 22:47:58 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[28-Aug-2020 01:53:28 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[28-Aug-2020 22:25:45 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[03-Sep-2020 09:30:23 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[06-Sep-2020 08:39:08 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[08-Sep-2020 10:44:32 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[08-Sep-2020 16:10:10 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[09-Sep-2020 12:41:11 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[11-Sep-2020 14:10:08 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[14-Sep-2020 16:56:40 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[15-Sep-2020 08:07:57 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[17-Sep-2020 02:54:29 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[20-Sep-2020 07:41:33 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[21-Sep-2020 15:26:46 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[22-Sep-2020 11:11:23 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[22-Sep-2020 14:33:54 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[23-Sep-2020 01:20:31 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[23-Sep-2020 09:50:44 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[23-Sep-2020 17:32:49 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[24-Sep-2020 09:19:38 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[24-Sep-2020 13:55:41 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[25-Sep-2020 09:05:08 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[25-Sep-2020 12:30:26 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436
[25-Sep-2020 18:15:31 UTC] PHP Deprecated:  Unparenthesized `a ? b : c ? d : e` is deprecated. Use either `(a ? b : c) ? d : e` or `a ? b : (c ? d : e)` in /home/mywebsite/public_html/applications/nexus/modules/front/checkout/checkout.php on line 436

What it this error ?

[bfarber]

You're using a more recent version of PHP but your Invision Community installation is not up to date. This issue should not exist in the latest release.