SOLR Error

1

Webcon BPS 2021.1.3.205 Express

After an unexpected restart of the SOLR server it shows the error:
Error in SolrActivity Search. Identyfikator błędu: 610fd0f1-0c4b-4234-aefe-df17ef065005
ServiceLocationProvider must be set.

In event log:
Message=SOLR not initialized
Source=WebCon.WorkFlow.Data.Solr
StackTrace= w WebCon.WorkFlow.Data.Solr.BPSSolrServerProxy.GetInstance[T]()
w WebCon.WorkFlow.Data.Solr.DirectSolrIndexAdder.AddToIndex(BPSActivity activity, ActivityTypes type)
w WebCon.WorkFlow.Base.Solr.SolrLogger.AddWithDirectSolrAdder(BPSActivity activity, ActivityTypes activityType)

InnerException:

Message=SOLR not initialized
Source=WebCon.WorkFlow.Data.Solr
StackTrace= w WebCon.WorkFlow.Data.Solr.BPSSolrServerProxy.GetInstance[T]()
w WebCon.WorkFlow.Data.Solr.DirectSolrIndexAdder.AddToIndex(BPSActivity activity, ActivityTypes type)
w WebCon.WorkFlow.Base.Solr.SolrLogger.AddWithDirectSolrAdder(BPSActivity activity, ActivityTypes activityType)

Webcon Designer Studio System Configuration shows the error as in the attachment:

Thanks in advance for any feedback.