'NullCache' object has no attribute 'cache'

[monstari]

Crash when switching to RAM pressure cache: 'NullCache' object has no attribute 'cache'

Environment

OS: Linux
Python: 3.12
ComfyUI: latest (as of Jan 2026)
GPU: NVIDIA GeForce RTX 5090
Torch: recent stable (FutureWarning about torch.distributed.reduce_op)

Error:

AttributeError: 'NullCache' object has no attribute 'cache'

Full traceback:
!!! Exception during processing !!! 'NullCache' object has no attribute 'cache'
Traceback (most recent call last):
  File "/home/rtl-6/execution.py", line 518, in execute
    output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(...)
  File "/home/rtl-6/execution.py", line 329, in get_output_data
    return_values = await _async_map_node_over_list(...)
  File "/home/rtl-6/execution.py", line 303, in _async_map_node_over_list
    await process_inputs(input_dict, i)
  File "/home/rtl-6/execution.py", line 291, in process_inputs
    result = f(**inputs)
  File "/home/rtl-6/custom_nodes/dynamic-ramcache/nodes.py", line 63, in manage_cache
    self._execute_cache_logic(mode, cleanup_threshold)
  File "/home/rtl-6/custom_nodes/dynamic-ramcache/nodes.py", line 124, in _execute_cache_logic
    self._switch_to_ram_pressure(cache_set, current_cache, caching)
  File "/home/rtl-6/custom_nodes/dynamic-ramcache/nodes.py", line 156, in _switch_to_ram_pressure
    self._migrate_cache_data(old_cache, new_cache)
  File "/home/rtl-6/custom_nodes/dynamic-ramcache/nodes.py", line 183, in _migrate_cache_data
    new_cache.cache = old_cache.cache
                       ^^^^^^^^^^^^^^^
AttributeError: 'NullCache' object has no attribute 'cache'

[Windecay]

ComfyUI NullCache mode has no attribute 'cache', I try to bypass it in the new version.