It might be that the memory area used by looper tracks has become fragmented and unavailable. Use the following procedure to optimize the internal memory:
- Hold down the [SHIFT] button and press the [KNOB ASSIGN] button to access the UTILITY menu.
- Use the [C4] knob or the [>] button to select the LOOPER OPTIMIZE icon, and then press the [ENTER] button.
- Use the [C4] knob or the [>] button to select “OK,” and then press the [ENTER] button - optimization (OPTIMIZE) is executed.
If the “MEMORY FULL” indication appears even after you execute optimization, it might be that the loop sample you're attempting to import is too large for the remaining memory space. Try importing again after you reduce the size of the sample by using a waveform editor to trim it or by changing the sampling frequency.