page not found error in Payroll module (Employee Tax Exemption Declaration Category)

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1 
type or paste code here
![image|690x298](upload://1hd8CSBpktXiByMAPfTPn598Ctg.png)
![image|690x278](upload://c1ZCBCpF8UacXnrBoEWLy4JYu5R.png)
 employee-tax-exemption-declaration-category was not found while clicking how to solve this
2

Because it’s a child doctype, and a child doctype can’t be open. if parent doctype then you can open it because child doctype set in the parent doctype.