[BUG] Error: Returned message history must be an array

[meksico]

Describe the bug
Error: predictionsServices.buildChatflow - Error: Error: Returned message history must be an array

To Reproduce
Precondition:
Deployed on Render
Workflow is next:

• Conversation chain:
• ChatOpenAI model
• Chat Prompt Template (system message is filled)
• Buffer Memory

Expected behavior
Expectine the answer, and history chain

Screenshots

Flow
TEMP Chatflow.json

Setup

• Render from official for
• Flowise Version 2.0.5
• OS: macOS
• Browser: Chrome

[panalexeu]

the same issue with llm chain

[tomgersic-altimetrik]

I have this same problem when running Flowise in Render, but it works fine on localhost. Same version 2.0.5

[toi500]

Same issue.