Column heading name of Product section is getting changed after we save the bill

[vigneshkumarj]

Steps to Reproduce

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a) Login to Angadi
b) Go to Bill menu
c) Create bill with available product and category
d) Use Customer as General
e) Click on the save button

Expected

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Column header of product section should not be changed it should be remain as Product, Product description,....

Actual

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But after saving the record the column header is getting changed to 1, 2, 3, 4 and 5.

(Not able to attach screenshot). Let me know if you need more info