WCL_E_BLUETOOTH_LE_WRITE_VALUE_TOO_LONG Constant

An application executes Write Without Response with value size longer than maximum PDU size (MTU). Ap application must use Write With Response instead. To do that an application must set IsWritableWithoutResponse characteristic's property to false and then call the WriteCharacteristicValue method to force Write With Response.

Reference

• wclBluetoothErrors