### Describe the bug Similar to #5238 and #5221 , I am not able to upsert chunks on the cloud version <img width="2537" height="1165" alt="Image" src="https://github.com/user-attachments/assets/bf8aa790-a82b-4b8f-95d6-e25a4f610162" /> ### To Reproduce 1. Configure a document store and load some chunks into it 2. Configure the vector store for the configured document store 3. Click on Upsert ### Expected behavior Chunks should be usperted to the configured vector store ### Screenshots <img width="2537" height="1165" alt="Image" src="https://github.com/user-attachments/assets/229596ee-9120-41ca-8833-98e73a53fe06" /> ### Flow _No response_ ### Use Method Flowise Cloud ### Flowise Version _No response_ ### Operating System None ### Browser None ### Additional context _No response_