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Session state protection violation for an item - whose value is set with computation before header

AnuswadhJan 25 2017 — edited Jan 25 2017

I am trying to set the label of an item dynamically using the value of another hidden item in the same page.

I created a computation for the hidden item in the page and set the value of the item as the dynamic label - &P613_EMPLOYEE_TYPE_LABEL.

But I am getting this error

Session state protection violation: This may be caused by manual alteration of protected page item P613_EMPLOYEE_TYPE_LABEL. 

Technical Info (only visible for developers)

is_internal_error: true
apex_error_code: APEX.SESSION_STATE.ITEM_VALUE_PROTECTION
component.type: APEX_APPLICATION_PAGES
component.id: 149000000613
component.name: DETAILS OF EMPLOYEE
error_backtrace:
----- PL/SQL Call Stack -----
object line object
handle number name
0x263d96750 935 package body APEX_050100.WWV_FLOW_ERROR
0x263d96750 1003 package body APEX_050100.WWV_FLOW_ERROR
0x263d96750 1395 package body APEX_050100.WWV_FLOW_ERROR
0x26ac006a8 3116 package body APEX_050100.WWV_FLOW
0x26ac006a8 5533 package body APEX_050100.WWV_FLOW
0x265a48af8 2 anonymous block

But I have set the session state protection fo the item to 'unrestricted'

page settings

computation

component settings

This post has been answered by Anuswadh on Jan 25 2017
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Locked on Feb 22 2017
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