Error Handling with Saving in DhtmlxGrid

i am using dhtmlxgrid 2.6 standard edition

on auto saving with typing in grid. sometimes shows LoadXML Error or Incorrect XML Error in Grid and row still bold (means that not save in database)

how to re update row in grid or
how to check all bold rows in Grid and save it .

Do you have special chars (german, france,…)?

No Special Charcters . only simple data

on auto saving with typing in grid. sometimes shows LoadXML Error or Incorrect XML Error in Grid and row still bold (means that not save in database)

how to re update row in grid or
how to check all bold rows in Grid and save it .

Unfortunately the issue cannot be reconstructed.
Please, provide any kind of sample and exact steps to reproduce the issue.