Scan can’t continue…

Errors in log:

[Jan 14 13:26:46:1484382406.585329:1:error] <br /> <b>Warning</b>: tempnam(): open_basedir restriction in effect. File(/tmp) is not within the allowed path(s): (/home/username/web/site.name/public_html:/home/username/tmp) in <b>/home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfCon
[Jan 14 13:26:46:1484382406.583210:2:error] Scan can't continue - stored data not found after a fork. Got type: boolean
[Jan 14 13:26:46:1484382406.581584:1:error] unlink(): open_basedir restriction in effect. File() is not within the allowed path(s): (/home/username/web/site.name/public_html:/home/username/tmp) (2) File: /home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfConfig.php Line: 384
[Jan 14 13:26:46:1484382406.580563:1:error] fclose() expects parameter 1 to be resource, boolean given (2) File: /home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfConfig.php Line: 383
[Jan 14 13:26:46:1484382406.579799:1:error] fread() expects parameter 1 to be resource, boolean given (2) File: /home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfConfig.php Line: 382
[Jan 14 13:26:46:1484382406.579274:1:error] fseek() expects parameter 1 to be resource, boolean given (2) File: /home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfConfig.php Line: 381
[Jan 14 13:26:46:1484382406.577298:1:error] fwrite() expects parameter 1 to be resource, boolean given (2) File: /home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfConfig.php Line: 376
[Jan 14 13:26:46:1484382406.574757:1:error] fwrite() expects parameter 1 to be resource, boolean given (2) File: /home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfConfig.php Line: 376
[Jan 14 13:26:46:1484382406.571190:1:error] fopen(): Filename cannot be empty (2) File: /home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfConfig.php Line: 367
[Jan 14 13:26:46:1484382406.568896:1:error] tempnam(): open_basedir restriction in effect. File(/tmp) is not within the allowed path(s): (/home/username/web/site.name/public_html:/home/username/tmp) (2) File: /home/username/web/site.name/public_html/wp-content/plugins/wordfence/lib/wfConfig.php Line: 366

Mistakes are repeated from 4 January

WordPress 4.7.1
BuddyPress 2.7.4
PHP 7.0.14-2+deb.sury.org~trusty+1