There are several types of contributor to the WOW environment. Some write blogs, others make training videos, and yet others make addons.
Yesterday I was in a panic because one of my 'essential' addons broke. This is largely my cost of running addons in 'alpha' (or early adopters) mode. My immediate response was to panic, then grumble about addon makers. However, without that very same addon maker - I wouldnt have my 'wow business' in the first place.
If you do ever have a problem with an addon:
* If it is just after patch day, your addon may be 'out of date', try enabling 'out of date' addons (after you login, before you choose your toon.
* Check the website where you got the addon for updates, and or bugs
* Did you recently change anything? Try undoing that change - if only to help identify where the problem is.
* Report the error to the creator via the website (or any other method recommended by the author), including : What you did, the exact text of the error message, what it used to do (better), when it broke.
Thankfully in the author released a patch within the day.
In closing, to all the blog writers, and addon makers, thank you.
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