Sorry, cannot answer to my former message still in moderation. This is the log after I tried to restart the server:
MSG @ 11:35:06.535 Groovy-pagpImagga-Imagga: Addon loaded. Autor: E. Schreiner (c)2020 Contecon Software GmbH
MSG @ 11:35:06.748 Groovy-pagpImagga-ImaggaFields: Addon loaded. Autor: E. Schreiner (c)2020 Contecon Software GmbH
MSG @ 11:35:07.675 Groovy-pagpOpenrouteGeoJSONRoute-OpenrouteGeoJSONRoute: Addon loaded. Autor: E. Schreiner (c)2020 Contecon Software GmbH
MSG @ 11:35:07.691 Queries loaded: 0
MSG @ 11:35:07.704 Designs loaded: 0 from /opt/picapport/.picapport/designs
MSG @ 11:35:07.800 PicApportDBService.startDatabase:embedded:/opt/picapport/.picapport/db (/opt/picapport/.picapport/db/db_3_0_37)
ERROR@ 11:35:11.139 Exception Error PicApport.main: com.orientechnologies.orient.core.exception.OStorageException: Exception during execution of atomic operation inside of storage db_3_0_37
MSG @ 11:35:11.141 User Management has been successfully shut down.