Hello

I have written the code below for case escalation i am getting an exception for it can someone please help me out

Thanks!

Code is :

global class CaseEscalation  implements  Database.Batchable<SObject> 
{
global CaseEscalation()
{
}  
     global Database.QueryLocator start(Database.BatchableContext  ctx)
     {
         return Database.getQueryLocator([SELECT  CaseNumber, CreatedDate,Status FROM Case where CreatedDate<Today and Status!='Closed']);  
     }
      
      
     global void execute(Database.BatchableContext ctx, List<Sobject> scope)
     {
       
       List<Case> ca = (List<Case>)scope;
       //List <Case> ca =  new List<Case>();
       //for(SObject so :scope)
       //{
       //    Case c = (Case)so;
        //   ca.add(c);
       //}    
       System.debug('checking======='+ca);
       for(Case c : ca)
       {                      
           // Double Days = Math.Floor((System.now().getTime()  - c.CreatedDate.getTime())/ (1000.0*60.0*60.0*24));                       
            //if(Days > 1  &&  c.Status != 'Closed' )
             //{
                System.Debug(c);
                 String emailMessage = 'The case  ' + c.CaseNumber + ' has been ecalated ' + ' Please look into the case ' + 'Thankyou';
                 Messaging.SingleEmailMessage mail  =   new Messaging.SingleEmailMessage();
                 String[] toAddresses = new String[] {'reems.agarwal3@gmail.com'};
                 mail.setToAddresses(toAddresses);
                 mail.setSubject('Case Escalation');
                 mail.setPlainTextBody(emailMessage);
                 Messaging.sendEmail(new Messaging.SingleEmailMessage[]{ mail });
                 c.Status = 'Escalated';
            // }
        }
if(ca.size()>0)
        update ca;
           }
   
    global void finish(Database.BatchableContext ctx)
    {
    }


}

I am getting the following exception:

Apex script unhandled exception by user/organization: 005U0000000DmS9/00DU0000000HTCU

Failed to process batch for class 'CaseEscalation' for job id '707U0000004bzCe'

caused by: System.LimitException: Too many Email Invocations: 11

Class.CaseEscalation.execute: line 35, column 1