How to read timer zone data

[Stormpass]

Describe the bug

fisrt of all, thanks for this rep.
here is my question
I want to read timer zone from s7-200smart plc. and i found the nodes7 driver is supported T and C address type.
but , when i try to read , i got this error
"Error: Error returned from request of Area [29] DB [undefined] Addr [0] Len [2]: "Accessing the object not allowed"

Screenshots

Logs

Flow

Please attach your flow either as a file or properly formatted as JSON

Environment

• Version of this node: 18.14.0
• Node-RED version: 4.0.9
• PLC Part Number: s7-200 smart
• OS: Windows10
• Browser: chrome

Additional context