Error Message : Can not draw link between assemblies

⚠️ Error (General)

It doesn't always come with a specific message, but it's usually related to:
    Invalid state / configuration error

📌 Causes

This error occurs because:

➡️ Assembly is incomplete (uncompleted attributes)

Meaning:
Every assembly in the workflow must have a minimum configuration , otherwise → it will fail when compiling

🧠 Case Example

1. Transformator

❌ Wrong: ✔ Correct:

2. GroupBy

❌ Wrong: ✔ Correct:

3. Aggregator

❌ Wrong: ✔ Correct:
There should be functions like:

🎯 Common Causes