You can anonymize deleted Collaboration users according to GDPR.
Prerequisites
The user was deleted in ARIS Administration.
Procedure
To anonymize, for example, the deleted y4711 user on ecp_m enter: invoke anonymizeUser on ecp_m anonymize.user=y4711
Activities of this Collaboration user, such as posts, comments, groups, are shown with Anonymized user instead with the y4711 user name. If several users are anonymized a number is added, such as Anonymized user 2.