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[backport 1.25] fix: Handle missing subgraph inputs gracefully during workflow import #4986

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merged 1 commit into from
Aug 15, 2025
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[backport 1.25] fix: Handle missing subgraph inputs gracefully during workflow import #4986

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10 changes: 7 additions & 3 deletions src/lib/litegraph/src/subgraph/SubgraphNode.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -266,10 +266,14 @@ export class SubgraphNode extends LGraphNode implements BaseLGraph {
const subgraphInput = this.subgraph.inputNode.slots.find(
(slot) => slot.name === input.name
)
if (!subgraphInput)
throw new Error(
`[SubgraphNode.configure] No subgraph input found for input ${input.name}`
if (!subgraphInput) {
// Skip inputs that don't exist in the subgraph definition
// This can happen when loading workflows with dynamically added inputs
console.warn(
`[SubgraphNode.configure] No subgraph input found for input ${input.name}, skipping`
)
continue
}

this.#addSubgraphInputListeners(subgraphInput, input)

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