OPTUS_BRANDUI: Invalid entries to entityId is not clearing after submitting

Invalid entries to entityId is not clearing after submitting.

1) Login to Brand Campaign UI.

2)Enter invalid CustomerId and click on SUBMIT button, it shows error message.

3)Click OK button, invalid entries are get cleared from CustomerId box.

4)Enter invalid entries to entityId box and click on SUBMIT button.

5)Click on OK button of Error dialog box and observe.

Actual result:

entityID field is not clearing, it shows old value.

Expected:

Old invalid entries should get cleared.