diff --git a/packages/components/nodes/vectorstores/Chroma_Upsert/Chroma_Upsert.ts b/packages/components/nodes/vectorstores/Chroma_Upsert/Chroma_Upsert.ts
index 508b7ebac..b63a98458 100644
--- a/packages/components/nodes/vectorstores/Chroma_Upsert/Chroma_Upsert.ts
+++ b/packages/components/nodes/vectorstores/Chroma_Upsert/Chroma_Upsert.ts
@@ -61,7 +61,7 @@ class ChromaUpsert_VectorStores implements INode {
         const embeddings = nodeData.inputs?.embeddings as Embeddings
         const output = nodeData.outputs?.output as string
 
-        const flattenDocs = docs.flat()
+        const flattenDocs = docs && docs.length ? docs.flat() : []
         const finalDocs = []
         for (let i = 0; i < flattenDocs.length; i += 1) {
             finalDocs.push(new Document(flattenDocs[i]))
diff --git a/packages/components/nodes/vectorstores/InMemory/InMemoryVectorStore.ts b/packages/components/nodes/vectorstores/InMemory/InMemoryVectorStore.ts
index 0d85825c9..8d89b2ef1 100644
--- a/packages/components/nodes/vectorstores/InMemory/InMemoryVectorStore.ts
+++ b/packages/components/nodes/vectorstores/InMemory/InMemoryVectorStore.ts
@@ -55,7 +55,7 @@ class InMemoryVectorStore_VectorStores implements INode {
         const embeddings = nodeData.inputs?.embeddings as Embeddings
         const output = nodeData.outputs?.output as string
 
-        const flattenDocs = docs.flat()
+        const flattenDocs = docs && docs.length ? docs.flat() : []
         const finalDocs = []
         for (let i = 0; i < flattenDocs.length; i += 1) {
             finalDocs.push(new Document(flattenDocs[i]))
diff --git a/packages/components/nodes/vectorstores/Pinecone_Upsert/Pinecone_Upsert.ts b/packages/components/nodes/vectorstores/Pinecone_Upsert/Pinecone_Upsert.ts
index ed1a3d57f..9710e9318 100644
--- a/packages/components/nodes/vectorstores/Pinecone_Upsert/Pinecone_Upsert.ts
+++ b/packages/components/nodes/vectorstores/Pinecone_Upsert/Pinecone_Upsert.ts
@@ -85,7 +85,7 @@ class PineconeUpsert_VectorStores implements INode {
 
         const pineconeIndex = client.Index(index)
 
-        const flattenDocs = docs.flat()
+        const flattenDocs = docs && docs.length ? docs.flat() : []
         const finalDocs = []
         for (let i = 0; i < flattenDocs.length; i += 1) {
             finalDocs.push(new Document(flattenDocs[i]))
diff --git a/packages/components/nodes/vectorstores/Supabase_Upsert/Supabase_Upsert.ts b/packages/components/nodes/vectorstores/Supabase_Upsert/Supabase_Upsert.ts
index 4bb629389..0a8af6fd1 100644
--- a/packages/components/nodes/vectorstores/Supabase_Upsert/Supabase_Upsert.ts
+++ b/packages/components/nodes/vectorstores/Supabase_Upsert/Supabase_Upsert.ts
@@ -82,7 +82,7 @@ class SupabaseUpsert_VectorStores implements INode {
 
         const client = createClient(supabaseProjUrl, supabaseApiKey)
 
-        const flattenDocs = docs.flat()
+        const flattenDocs = docs && docs.length ? docs.flat() : []
         const finalDocs = []
         for (let i = 0; i < flattenDocs.length; i += 1) {
             finalDocs.push(new Document(flattenDocs[i]))
diff --git a/packages/components/nodes/vectorstores/Weaviate_Upsert/Weaviate_Upsert.ts b/packages/components/nodes/vectorstores/Weaviate_Upsert/Weaviate_Upsert.ts
index 4f360710d..0528d2492 100644
--- a/packages/components/nodes/vectorstores/Weaviate_Upsert/Weaviate_Upsert.ts
+++ b/packages/components/nodes/vectorstores/Weaviate_Upsert/Weaviate_Upsert.ts
@@ -122,7 +122,7 @@ class WeaviateUpsert_VectorStores implements INode {
 
         const client: WeaviateClient = weaviate.client(clientConfig)
 
-        const flattenDocs = docs.flat()
+        const flattenDocs = docs && docs.length ? docs.flat() : []
         const finalDocs = []
         for (let i = 0; i < flattenDocs.length; i += 1) {
             finalDocs.push(new Document(flattenDocs[i]))