Selecting the same account groups in the discount portlet giving the error

Issue

• Steps to reproduce:
  1. Start Liferay DXP 7.4.
  2. Navigate to 'Discounts' under Pricing.
  3. Create a new discount and Save.
  4. Navigate to 'Eligibility' and select the specific account groups.
  5. Select the account.
  6. Now, again select the same account.
  Expected Result: The user will be unable to select the account again, the message must be printed: this account is already selected.
  Actual Result: When the user again selects the same account again, it's giving the danger error on UI.

Environment

• Liferay DXP 7.4
• Commerce 4.0

Resolution

• The observed behavior is a known Liferay DXP bug which has been addressed in Liferay DXP 7.4 Update 65.

Additional Information

• COMMERCE-10053
• Installing a Bundled Service Pack or Update