Verified: 2 months ago
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The FLUX.1 [dev] Model is licensed by Black Forest Labs. Inc. under the FLUX.1 [dev] Non-Commercial License. Copyright Black Forest Labs. Inc.
IN NO EVENT SHALL BLACK FOREST LABS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH USE OF THIS MODEL.
A simple workflow for Klein family models in the first row was developed for 9b and 4b distilled versions, but it should work for base models with minimal changes (such as replacing ConditioningZeroOut with negative conditioning).
About issues:
I'm encountering two major problems: Cannot read properties of undefined (reading 'output') and No inner node DTO found for .
The solution is to launch ComfyUI with the argument --front-end-version Comfy-Org/[email protected] or opposite --front-end-version Comfy-Org/ComfyUI_frontend@latest to get 1.42.5 or newer

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