View Criteria error

View Criteria error

Hi,

I have a form with 2 views, each trying to set a certain criteria to display a set of data. one of the views works fine with the criteria, however, another view always return this error when i set the criteria, no matter in script or ide mode. here is the error msg that come up when i tried to save the script

Error modifying the page
The following column names are duplicated in this table 
[t_882922000000021615.Order_Loca_882922000000021617]


the code i put are as follow
[location == "Ipoh"]     this view is not working
[location == "Malacca"]  this view is working

regards