groupadd: /var/lib/extrausers/group.xxxxx: No such file or directory

So i installing XRDP. But, i get this message when configuring SSL Cert (ssl-cert package):

root@localhost:~# apt-get install xrdp xorgxrdp Reading package lists... Done Building dependency tree Reading state information... Done ..... Setting up ssl-cert (1.0.39) ... ENTER EXTRAUSERS_GROUP_FILEEXIT EXTRAUSERS_GROUP_FILEENTER EXTRAUSERS_SHADOWGROUP_FILEEXIT EXTRAUSERS_SHADOWGROUP_FILEgroupadd: /var/lib/extrausers/group.27755: No such file or directory groupadd: cannot lock /var/lib/extrausers/group; try again later. addgroup: `/usr/sbin/groupadd --extrausers -g 114 ssl-cert' returned error code 10. Exiting. dpkg: error processing package ssl-cert (--configure):  installed ssl-cert package post-installation script subprocess returned error exit status 1 ..... dpkg: dependency problems prevent configuration of xrdp:  xrdp depends on ssl-cert; however:   Package ssl-cert is not configured yet.  dpkg: error processing package xrdp (--configure):  dependency problems - leaving unconfigured ..... Errors were encountered while processing:  .....  ssl-cert  librdmacm1:armhf  librados2  xrdp  ibverbs-providers:armhf  librbd1 E: Sub-process /usr/bin/dpkg returned an error code (1) root@localhost:~# 

So please the help…

System information:

Distributor ID: Ubuntu

Description : Ubuntu 18.04 LTS

Release : 18.04

Codename : bionic