[BUG] Error buildAgentGraph - Error retrieving checkpoints

[felixchong98]

Describe the bug
This error is returned when using MYSQL Agent Memory in Sequential Agent. It randomly return this error message "Error retrieving checkpoints" when calling "/api/v1/internal-prediction/{flowchatid}". But, I still can continue asking for the same question without any error. This error is kindly random come out.

To Reproduce
Steps to reproduce the behavior:

1. Create a Sequential Agent using MYSQL Agent Memory as Memory.
2. Simply ask or chat with your agent.
3. It will randomly return error on retrieving checkpoints.

Expected behavior
A prediction / message should be returned.

Screenshots

Setup

• Installation: [docker, docker-compose up -d]
• Flowise Version [2.2.3]
• OS: Linux
• Browser [chrome, api integration]