Error: Invalid JSON format
We see that the output has a link [12]. We must remove that link from the array. Since we are removing link 12, we set the links array of the output to empty ([]). But wait, the user's message says: "12 is funky... target(6).inputs[3].link is NOT correct (is 8), but origin(10).outputs[0].links contains it" meaning that the origin node (node 10) has link 12 in its outputs, which is incorrect because the target node (node 6) doesn't have that link. So we remove the link 12 from node 10's outputs. So steps: 1. Remove the link with id 12 from the links array. 2. In node 10, change the output's links from [12] to []. Additionally, the user might have fixed the connection for the KSampler's latent input to be from node 5 (link 8) and not from node 10. This is already the case in the provided workflow (node 6's latent_image input is linked to 8). So we don't change that. Let's check node 6 (KSampler):