Error Message does not go away after fixing the issue

Sometimes, after an error has been corrected, the Alert Plus Web Part still displays the error message. It does not release it after the correction is made.

Do the following:

-- Follow the steps as indicated in the attached document. This will ensure that the Web Part has been properly installed. 

-- Add a new instance of the Alert Plus Web Part to the page. Make sure to configure it correctly.

-- Verify that the second Web Part does not display the error message.

-- Remove the previous Web Part from the page.