[Nightly] in_array() expects parameter 2 to be array

I have some Warnings in Error.log

Debian Buster PHP 7.3

Sat Sep 19 12:02:04.067924 2020] [fcgid:warn] [pid 550169:tid 139681717995264] [client xx.xx.xx.xx:18234] mod_fcgid: stderr: PHP Warning:  in_array() expects parameter 2 to be array, string given in /usr/local/ispconfig/interface/web/dashboard/dashlets/quota.php on line 15, referer: https://xxx.xxx.xxx:8080/index.php
[Sat Sep 19 12:02:04.067940 2020] [fcgid:warn] [pid 550169:tid 139681717995264] [client xx.xx.xx.xx:18234] mod_fcgid: stderr: PHP Warning:  in_array() expects parameter 2 to be array, string given in /usr/local/ispconfig/interface/web/dashboard/dashlets/databasequota.php on line 15, referer: https://xxx.xxxx.xxx:8080/index.php
[Sat Sep 19 12:07:45.542721 2020] [fcgid:warn] [pid 550168:tid 139681684424448] [client xx.xx.xx.xx:19144] mod_fcgid: stderr: PHP Warning:  in_array() expects parameter 2 to be array, string given in /usr/local/ispconfig/interface/web/dashboard/dashlets/quota.php on line 15, referer: https://xxx.xxx.xxx:8080/index.php
[Sat Sep 19 12:07:45.542737 2020] [fcgid:warn] [pid 550168:tid 139681684424448] [client xx.xx.xx.xx:19144] mod_fcgid: stderr: PHP Warning:  in_array() expects parameter 2 to be array, string given in /usr/local/ispconfig/interface/web/dashboard/dashlets/databasequota.php on line 15, referer: https://xxx.xxx.xxx:8080/index.php