Can not retrieve item.parent

[Lejangt]

Every time I try to run the script I get this error:

L 08/19/2021 - 19:58:12: [SM] Exception reported: Can not retrieve item.parent from database: no result row
L 08/19/2021 - 19:58:12: [SM] Blaming: store_hz.smx
L 08/19/2021 - 19:58:12: [SM] Call stack trace:
L 08/19/2021 - 19:58:12: [SM]   [0] SetFailState
L 08/19/2021 - 19:58:12: [SM]   [1] Line 3655, addons/sourcemod/scripting/store.sp::SQL_LoadParents

Thanks in advance!

[Kxnrl]

insert items/parents before starting server.