Error Description :


-1 : invalidArgument=Value of '15' is not valid for 'index'. Parameter name : index [fillPayment-frmWalkIn]


Screenshot:



Cause : 


If there is any room which has more than 15 payment entries on payment information tab, this error will pop up.


Solution :


This problem was noticed in version 6.1.159.005. This was fixed and released in version 6.1.160.005 and above.


1) Take latest database backup 

2) Download & Install version 6.1.160.005 or Update it to Latest Service Pack Version