node is behind by slots solana - validator - getTokenAccountsByOwner hangs 888slots app

I was getting this error when sending a transaction to the RPC: Transaction failed: RPC response error -32005: Node is behind by 166 slots Why does this happen?

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A method for allocating a set of time slots belonging to a common TDMA channel to a network of transceiver nodes is provided. The method includes the steps of dividing the set of time slots into plurality of time slot sub-sets (L1-L10); defining for each node common function that assigns one time slot sub-set to each point in space, where each point is identified by a unique set of space coordinates; and performing the follwing steps for each node: periodically identifying a set of space coordinates; and allocating to each node time slots belonging to the time slot sub-set assigned by the common function to the point in space identified by the periodically identified set of space coordinates.