delete the original pos code

i want to delete the by default code for print of POS invoice and tried by the following code:

[Report :STC GST INVOICE KA]
Use : POS Invoice Print
Delete: Form : POS Invoice Print
Form : STC GST INVOICE KA

please help me as i am not able to replace the default one with my new one.

 

Try This
[#form: POS Invoice Color]
Delete rint
add: Print : STC GST INVOICE KA