[BUG] "When using a chatbot with a dictionary set to large chunks (e.g., 4096), an error occurs after asking questions two or more times

[kouno7]

🚨 Please Note 🚨

Similar to #637, this error occurs even when the Harmful Categories threshold is set to 0

Describe the bug

When using a chatbot with a dictionary set to large chunks (e.g., 4096), an error occurs after asking questions two or more times.

To Reproduce

Steps to reproduce the behavior:

1. Create Chatbot
   large chunks (e.g., 4096) & Contextual Grounding threshold is set to 0
2. asking questions two or more
3. See error

Screenshots

1. Chatbot Setting