guys i need help to change price please

guys i make my privit server but i need change price i go to :
SQL =>> SRO_VT_SHARD =>> Tables =>>_RefPricePolicyOfItem
and change all but its not working

what else need to do so price changed ?

please help me

same for Media ,,

you could use a program already released called db2pk2 and change edited database table _RefPricePolicyOfItem to a pk2 text then import it to media.pk2
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ps: do not remember where the credits go to so just placed the link..