hi every one can any one give support when lead convert automatically geeting error. here lead owner is queue
Error:Apex trigger AutoConverter caused an unexpected exception, contact your administrator: AutoConverter: execution of AfterUpdate caused by: System.DmlException: ConvertLead failed. First exception on row 0; first error: REQUIRED_FIELD_MISSING, Converted objects can only be owned by users. If the lead is not owned by a user, you must specify a user for the Owner field.: [OwnerId]: Trigger.AutoConverter: line 25, column 1 


code:

Trigger AutoConverter on Lead (after insert,after update) {
     LeadStatus convertStatus = [
          select MasterLabel
          from LeadStatus
          where IsConverted = true
          limit 1
     ];
    
   
     List<Database.LeadConvert> leadConverts = new List<Database.LeadConvert>();
                 
     for (Lead lead: Trigger.new) {
          if (lead.isConverted ==false){
          if(lead.Status == 'Convert') {
               Database.LeadConvert lc = new Database.LeadConvert();
               String oppName = lead.LastName;
                           lc.setLeadId(lead.Id);
               lc.setOpportunityName(oppName);
               lc.setConvertedStatus(convertStatus.MasterLabel);
               
               leadConverts.add(lc);
          }
     }
   }
     if (!leadConverts.isEmpty()) {
          List<Database.LeadConvertResult> lcr = Database.convertLead(leadConverts);
     }
     }