        require(msg.sender == pendingAdmin, "n4"); // Only proposed by current admin address can claim the admin rights


        require(_newPriorityTxMaxGasLimit <= MAX_GAS_PER_TRANSACTION, "n5");


        require(_newFeeParams.maxPubdataPerBatch >= _newFeeParams.priorityTxMaxPubdata, "n6");


        require(!diamondStorage.isFrozen, "a9"); // diamond proxy is frozen already
