As discussed in 06956, when attempting to edit a participant name in the CPD, the following error is given when you press Return:

CDbException
CDbCommand failed to execute the SQL statement: SQLSTATE[07002]: [Microsoft][SQL Server Native Client 11.0]COUNT field incorrect or syntax error. The SQL statement executed was: UPDATE [participants] SET [participant_id]=:participant_id, [firstname]=:firstname, [lastname]=:lastname, [email]=:email, [language]=:language, [blacklisted]=:blacklisted, [owner_uid]=:owner_uid WHERE participant_id = :participant_id. Bound with :participant_id='0251af7d-bc74-4f1b-9328-0682cf6631c2', :firstname='Fred', :lastname='Hardy-Test', :email='dummy.email@domain.co.uk', :language='en', :blacklisted='N', :owner_uid=1 (C:\limesurvey_test\framework\db\CDbCommand.php:354)

#0 C:\limesurvey_test\framework\db\CDbCommand.php(1212): CDbCommand->execute(Array)
#1 C:\limesurvey_test\application\models\Participants.php(157): CDbCommand->update('{{participants}...', Array, 'participant_id ...', Array)
#2 C:\limesurvey_test\application\controllers\admin\participantsaction.php(532): Participants->updateRow(Array)
#3 [internal function]: participantsaction->editParticipant()
#4 C:\limesurvey_test\framework\web\actions\CAction.php(107): ReflectionMethod->invokeArgs(Object(participantsaction), Array)
#5 C:\limesurvey_test\application\core\Survey_Common_Action.php(82): CAction->runWithParamsInternal(Object(participantsaction), Object(ReflectionMethod), Array)
#6 C:\limesurvey_test\application\controllers\admin\participantsaction.php(51): Survey_Common_Action->runWithParams(Array)
#7 C:\limesurvey_test\framework\web\CController.php(309): participantsaction->runWithParams(Array)
#8 C:\limesurvey_test\framework\web\CController.php(287): CController->runAction(Object(participantsaction))
#9 C:\limesurvey_test\framework\web\CController.php(266): CController->runActionWithFilters(Object(participantsaction), Array)
#10 C:\limesurvey_test\application\controllers\AdminController.php(169): CController->run('participants')
#11 C:\limesurvey_test\framework\web\CWebApplication.php(276): AdminController->run('participants')
#12 C:\limesurvey_test\framework\web\CWebApplication.php(135): CWebApplication->runController('admin/participa...')
#13 C:\limesurvey_test\framework\base\CApplication.php(162): CWebApplication->processRequest()
#14 C:\limesurvey_test\index.php(178): CApplication->run()
#15 {main}