Issue Summary

When multiple labels of the same color are present on a board (one without a title and others with titles) attempting to run an automation that adds the label without a title fails.

Steps to Reproduce

1. Create two labels of the same color: one with a title and one without. For example, create a green label and a green label titled "Green."
2. Set up an automation to add a the label without title. For example, "when a card is added to list "Green", add the green label to the card".
3. Run the automation on a card.

Expected Results

The green label should be added to the card.

Actual Results

The label is not added. The automation log displays a message similar to the following:

Something went wrong and this action was not performed. Actions with errors are retried automatically by the system.

Error reference: U123a1abc1a123a12345abcda_P1

Workaround

As a workaround, if possible, delete the other labels of the same color. The issue does not occur when the label being added has a title, so you can also modify the rule to add a titled label.