[Bug] TC-DD-1.2 Test case is failing in CLI.

[Ashwinigrl]

Describe the bug

While executing TC-DD-1.2 Test case via CLI, the test case fails at Step 1 with below error.

SDK container is not running. Cannot generate manual pairing code.
User input : 34970112332
Test Step Error: Error occurred during execution of test case TC-DD-1.2. object of type 'int' has no len()

However, when the same test case is executed using the TH UI, it passes successfully without any errors.

Steps to reproduce the behavior

1. Run the below command in the Raspi which is having the latest 1.5.1MVE Image (TH Version: v2.14.1-beta2+spring2026
   Sha: 28fa53b)
   ./certification-tool/cli/scripts/th_cli_install.sh
2. Navigated to the CLI scripts directory: cd certification-tool/cli/scripts
3. Create the project: th-cli project create --name <Project name>
4. th-cli run-tests -t TC_DD_1_2 --title <title_name> --project-id
5. Open the Second terminal of the raspi and Run the DUT sample app: ./chip-all-clusters-app

Expected behavior

TC-DD-1.2 Test case should pass without any errors.

Log files

CLI Logs:

TC_DD_1_2.log

TH UI logs:

UI_Test_Run_2026_03_06_16_08_36.log

PICS file

No response

Screenshots

CLI Execution:

TH UI Execution:

Environment

TH Version: v2.14.1-beta2+spring2026
Sha: 28fa53b

Additional Information

No response

[Ashwinigrl]

@rquidute and @antonio-amjr Could you please take a look at this issue?

[antonio-amjr]

Hi @Ashwinigrl,

Can you double check the version you executed the CLI?
I noticed in the image with TH UI has the version v2.14.1-beta2+winter2026 (Matter 1.5.1 MVE) with Backend SHA f83efc9, but above you mentioned the version v2.15-beta2.2+spring2026 (Matter 1.6 TE2) with Backend SHA 28fa53b.

Testing here with the v2.15-beta2.2+spring2026 I couldn't reproduce the error and the TC passed successfully.

CLI Testing:

CLI Log:
test_run_TC_DD_1_2.log

Let me know if my inquiries make sense and if I can help further.
Thanks

[Ashwinigrl]

Hi @antonio-amjr , Thanks for pointing it out.
Sorry I wrongly mention the TH Version in Steps to reproduce the behavior. I faced this issue in v2.14.1-beta2+winter2026 (Matter 1.5.1 MVE) version. I will update the issue with correct version.