System.DmlException: Insert failed. First exception on row 0; first error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY, MergeLeadTrigger: execution of AfterInsert caused by: System.DmlException: Insert failed. First exception on row 0; first error: INVALID_CROSS_REFERENCE_KEY, invalid cross reference id: [] Trigger.MergeLeadTrigger: line 430, column 1: []

trigger CampaignMemberSyncStatus on CampaignMember (after update) {
    // Sync response status on Campaign Member to lead or contact

    // Look for status changes
    List<Id> relatedIDs = new List<ID>();
    List<Id> modifiedIDs = new List<ID>();
 
    // Get the list of IDs for campaignmembers whose status changed
    for(CampaignMember cm : Trigger.new) {
        if(cm.Response_Status__c != trigger.oldMap.get(cm.Id).Response_Status__c)
        {
            modifiedIDs.add(cm.Id);
            if(cm.ContactId != null) {
                relatedIDs.add(cm.ContactId);
            } else {
                relatedIDs.add(cm.LeadId);
            }
        }
    }
    if(modifiedIds.size() == 0) return;     /// No modified responses
    
    // Now pull the list of related leads and contacts
    Map<id,Lead> RelatedLeads;
    Map<id,Contact> RelatedContacts;
    RelatedLeads = new Map<ID,Lead>([Select id, Disqaulified_Reason__c, Status from Lead where Id in :relatedIDs]);
    RelatedContacts = new Map<ID,Contact>(
        [Select id, Status__c, Lead_Score__c, Campaign_Score__c, Account.Customer_Status__c, Admin_Nurture_Timeout__c from Contact where Id in :relatedIDs]);
    
    // Build lists of leads or contacts to update
    Map<ID,Lead> ModifiedLeads = new Map<ID,Lead>();
    Map<ID,Contact> ModifiedContacts = new Map<ID,Contact>();
    
    Map<String, CMStatusSettings__c> statusmapping = CMStatusSettings__c.getall();
    
    // Now update the stautus
    for(id cmid : modifiedIDs) {
        CampaignMember cm = trigger.newMap.get(cmid);
        Boolean wasupdated;
        if(cm.ContactId != null) {
            wasupdated = CampaignMemberFunctions.SyncStatus(cm, null, RelatedContacts.get(cm.ContactId), statusmapping);
            if(wasupdated) ModifiedContacts.put(cm.ContactID,RelatedContacts.get(cm.ContactId));
        } else {
            wasupdated = CampaignMemberFunctions.SyncStatus(cm, RelatedLeads.get(cm.LeadId), null, statusmapping);
            if(wasupdated) ModifiedLeads.put(cm.LeadId,RelatedLeads.get(cm.LeadId));
        }
    }
    if(ModifiedLeads.size()>0) update ModifiedLeads.values();
    if(ModifiedContacts.size()>0) update ModifiedContacts.values();
    
    
}

@isTest
public class TestCampaignMemberSync 
{

    static testMethod void TestStatusUpdates() 
    {
    //Test.StartTest();
    
    Account genericaccount = new Account(Name = 'someaccount');
    insert genericaccount;
    
       /* Lead ld1 = new Lead(Company='colead1',LastName='colead1');*/
        Lead ld2 = new Lead(Company='colead2',LastName='colead2');
        Contact ct1 = new Contact(LastName='cocontact1', AccountID = genericaccount.Id);
        Contact ct2 = new Contact(LastName='cocontact2', AccountID = genericaccount.Id);
       /* Campaign cam = new Campaign(Name='campname');
        insert cam;*/
   /* insert ld1;*/
    insert ld2;
    insert ct1;
    insert ct2;
    
     Profile p = [SELECT id ,Name FROM Profile WHERE Name='Custom Partner Community user'];

        User u = new User(
            FirstName = 'test', 
            LastName= 'last_test', 
            Email='test323232@test.com', 
            Phone='111-111-1111', 
            //True_Market_Unit__c='1111', 
            alias = 'test', 
            EmailEncodingKey='UTF-8',
            ProfileId = p.Id,
            LanguageLocaleKey='en_US',
            LocaleSidKey='en_US', 
            TimeZoneSidKey='America/Los_Angeles',
            UserName = 'test323232@test.com'
            );
         u.ContactId=ct1.Id;
        insert u;
         Campaign cam = new Campaign(Name='campname');
             insert cam;
       System.runAs(u) {
             test.startTest();
             Lead ld1 = new Lead(Company='colead1',LastName='colead1',country='USA');
             insert ld1;
             /*Campaign cam = new Campaign(Name='campname');
             insert cam;*/
             
    
        CampaignMember mc1 = new CampaignMember(CampaignId = cam.Id, LeadId=ld1.Id, Buyer__c='a', user__c='b');
        CampaignMember mc2 = new CampaignMember(CampaignId = cam.Id, LeadId=ld2.Id, Buyer__c='a', user__c='b');
        CampaignMember mc3 = new CampaignMember(CampaignId = cam.Id, ContactId=ct1.Id, Buyer__c='a', user__c='b');
        CampaignMember mc4 = new CampaignMember(CampaignId = cam.Id, ContactId=ct2.Id, Buyer__c='a', user__c='b');
    List<CampaignMember> cms = new List<CampaignMember>();
    cms.add(mc1);cms.add(mc2);cms.add(mc3);cms.add(mc4);
    
    
        insert cms;
        List<Id> cmids = new List<id>();
    for(CampaignMember thiscm: cms)
    {
      cmids.add(thiscm.id);
    }
    
    ld1.admin_CMSourceId__c = mc1.id;
    update ld1;  // Needed later to simulate the button click on conversion
    ld2.admin_CMSourceId__c = mc2.id;
    update ld2; // Needed later to simulate the button click on conversion
    
    
    
    // Initialize the opp for later creation from CampaignMember
    Opportunity Opp = new Opportunity(CloseDate = Date.Today().addDays(30), AccountId = genericaccount.Id,
        Name='someopp', StageName='Selected' );
        
       // Test.StartTest();
        mc1.Response_Status__c = 'Working';
        mc2.Response_Status__c = 'Disqualified';
        mc2.Disqualified_Reason__c = 'no budget';
        mc3.Response_Status__c = 'Working';
        mc4.Response_Status__c = 'Disqualified';
        mc4.Disqualified_Reason__c = 'no budget';
        mc4.Do_not_reassign_to_Landings__c = true;
        
        update cms;
       Test.StopTest();    
        
        List<CampaignMember> mcres = [Select Id, Response_Status__c, Contact.Admin_Nurture_Timeout__c , Contact.Status__c, Lead.Status, Do_not_reassign_to_Landings__c 
          from CampaignMember where Id = :cmids ];
        for(CampaignMember cm: mcres) {
          System.debug('Response ' + cm.Response_Status__c + ' lead status:' + cm.Lead.Status + ' contact status:' + cm.Contact.Status__c );
          System.debug('Nurture date:' + mcres[3].Contact.Admin_Nurture_Timeout__c);
        }
    //System.assertEquals(mcres[3].Do_not_reassign_to_Landings__c, mcres[3].Contact.Do_not_reassign_to_Landings__c);
 
     }
    }
static testMethod void TestConversionsNoOpp() 
    {
        Test.StartTest();
        Account genericaccount = new Account(Name = 'someaccount');
        insert genericaccount;

            Lead ld1 = new Lead(Company='colead1',LastName='colead1');
            Lead ld2 = new Lead(Company='colead2',LastName='colead2');
            ld2.OwnerId = UserInfo.getUserId();
            Campaign cam = new Campaign(Name='campname');
            insert cam;
            insert ld1;
            insert ld2;
            CampaignMember mc1 = new CampaignMember(CampaignId = cam.Id, LeadId=ld1.Id, Buyer__c='a', user__c='b');
            CampaignMember mc2 = new CampaignMember(CampaignId = cam.Id, LeadId=ld2.Id, Buyer__c='a', user__c='b');
            List<CampaignMember> cms = new List<CampaignMember>();
            cms.add(mc1);
            cms.add(mc2);
        
            insert cms;
            List<Id> cmids = new List<id>();
            /*for(CampaignMember thiscm: cms)
            {
              cmids.add(thiscm.id);
            }*/
        
        ld1.admin_CMSourceId__c = mc1.id;
        update ld1;  // Needed later to simulate the button click on conversion
        ld2.admin_CMSourceId__c = mc2.id;
        update ld2; // Needed later to simulate the button click on conversion
        
        // Initialize the opp for later creation from CampaignMember
        Opportunity Opp = new Opportunity(CloseDate = Date.Today().addDays(30), AccountId = genericaccount.Id,
            Name='someopp', StageName='Selected' );
            
            mc1.Response_Status__c = 'Working';
            mc2.Response_Status__c = 'Disqualified';
            mc2.Disqualified_Reason__c = 'no budget';
             
            
            update cms;
            
            // We're checking CampaignMemberOpportunityInsertTrigger here
            Opp.admin_CMSourceId__c = mc2.Id;  // Set the source ID
            insert Opp;

           // Test.StartTest();

            
            // Now let's do a lead convert
         Database.LeadConvert lc = new database.LeadConvert();
        lc.setLeadId(ld2.Id);
        lc.setConvertedStatus('Converted - Existing Opportunity');
        lc.setDoNotCreateOpportunity(true);
        lc.setOwnerId(UserInfo.getUserId());
        Database.LeadConvertResult lcr2 = Database.convertLead(lc);
            
              Test.StopTest();    
            try
            {
             }
            catch(Exception ex)
            {
              System.Debug('Exception during TestConversionsNoOpp StopTest (async error)' + ex.getMessage());
            }
     
         System.assert(lcr2.isSuccess());
            CampaignMember mc2b = [Select Id,Response_Status__c, Opportunity_Create_Date__c, Opportunity_Name__c, Buyer__c, User__c from CampaignMember where Id = :mc2.id];
        Lead convertedleadinfo = [Select Id, isConverted, Status from Lead where id = :ld2.Id];
        System.Debug('original leadid:' + ld2.Id + ' leadid result id:' + lcr2.getLeadId());
        System.Debug('Converted lead isconverted:' + convertedleadinfo.IsConverted + ' status:' + convertedleadinfo.Status);
           system.assertEquals('Converted - Existing Opportunity', mc2b.Response_Status__c);
    

     }
     }

System.LimitException: Too many SOQL queries: 101
Trigger.MergeLeadTrigger: line 276, column 1

conrecords=[select id , Rep_Managing_Partner_del__c from Contact where id in: getconid1 and Rep_Managing_Partner_del__c !=null];