Hi Uruj,
I'm not sure which exact System lookup you inadvertently updated. However we have one xog file in order to look up's xog IN & OUT.
content_pack_read.xml - Use this xog file to xogout your lookup first. Please select any one of the lookup type as per the look up you want to xog out.
As we have 3-types of lookups available in Clarity - as per your requirements you need to use one type of the lookup as per your look up type.
<LookupQuery>
<!-- Static lookup -->
<Filter name="code" criteria="EQUALS">SEC_OBJECT_TYPE</Filter>
</LookupQuery>
<LookupQuery>
<!-- Dynamic Lookup -->
<Filter name="code" criteria="EQUALS">LOOKUP_COMPANIES</Filter>
</LookupQuery>
<LookupQuery>
<!-- Dependent Lookup -->
<Filter name="code" criteria="EQUALS">ODF_TST_COUNTRIES</Filter>
</LookupQuery>
Once you have the xog out the - update the look up value and xog in back that xog out file - be very cautious while you xog back in the file as may includes system updates (as you are updating system lookup).
I would suggest while you xogging in the file - remove or delete all optional information from the file, this way you can avoid any unnecessary updates. Also I would strongly recommend this to be performed first in DEV& PILOT Environments.
If you want complete xog file please see the attached file.
Hope this helps and please let me know how it goes / further assistance needed.
Best Regards
Jagadeesh