Description:Warning Message getting incremented for every click on save button

Symptoms:The warning message "The Intercom Line Fields::- is Required.Please specify a value and Try again " gets incremented for every click on save button which is not expected.

Condition:
1)Traverse the path Bulk Administration->User Device Profiles-> UDP File Format->Create UDP File Format configuration page.
2)Make a valid entry to Format Name field.Enter the value 1in  Maximum Number of Intercom Lines field and click on save button
The following warning message is displayed
"The Intercom Line Fields::- is Required.Please specify a value and Try again".
3)Click on ok button in the warning message dialog box.Continue the process of clicking on Save button folowed by ok button.
For every click on save button,the warning message entry is getting incremented.For example if u click on Save button 5 times, the warning message is getting displayed five times.