CRM-13078, added a check to validate the contact id if value is set for that particular row

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* CRM-13078:
  http://issues.civicrm.org/jira/browse/CRM-13078

CRM/Batch/Form/Entry.php

@@ -242,6 +242,16 @@ class CRM_Batch_Form_Entry extends CRM_Core_Form {
       }
     }
 
+    // if contact name is set for a row using autocomplete widget then make sure contact id exists, CRM-13078
+    // I was not able to replicate this on my local but adding this check and hopefully it will fix the issue.
+    if (!empty($params['primary_contact'])) {
+      foreach($params['primary_contact'] as $rowIndex => $contactName) {
+        if (empty($params['primary_contact_select_id'][$rowIndex])) {
+          $errors['primary_contact['.$rowIndex.']'] = ts('Please select a valid contact.');
+        }
+      }
+    }
+
     if ($batchTotal != $self->_batchInfo['total']) {
       $self->assign('batchAmountMismatch', TRUE);
       $errors['_qf_defaults'] = ts('Total for amounts entered below does not match the expected batch total.');