Sql error esx_shop (need help)

[ERROR] [MySQL] An critical error happens on MySQL for query “SELECT * FROM shops LEFT JOIN items ON items.name = shops.item {=}”: An item with the same key has already been added. at System.ThrowHelper.ThrowArgumentException (System.ExceptionResource resource) [0x0000b] in <0123fd5b1a1040fe9d70a7e0d4b28acb>:0
at System.Collections.Generic.Dictionary2[TKey,TValue].Insert (TKey key, TValue value, System.Boolean add) [0x0007c] in &lt;0123fd5b1a1040fe9d70a7e0d4b28acb&gt;:0 at System.Collections.Generic.Dictionary2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in <0123fd5b1a1040fe9d70a7e0d4b28acb>:0
at MySQLAsync.FetchAll+<ReaderAsync>d__2.MoveNext () [0x000e9] in <6b79789832b34a31961dbb39358e1b3f>:0
— End of stack trace from previous location where exception was thrown —
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <0123fd5b1a1040fe9d70a7e0d4b28acb>:0
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x0003e] in <0123fd5b1a1040fe9d70a7e0d4b28acb>:0
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in <0123fd5b1a1040fe9d70a7e0d4b28acb>:0
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in <0123fd5b1a1040fe9d70a7e0d4b28acb>:0
at System.Runtime.CompilerServices.TaskAwaiter1[TResult].GetResult () [0x00000] in &lt;0123fd5b1a1040fe9d70a7e0d4b28acb&gt;:0 at MySQLAsync.Operation1+<ExecuteAsync>d__3[TResult].MoveNext () [0x00169] in <6b79789832b34a31961dbb39358e1b3f>:0
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