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Monday, March 07, 2016

Some bX Codes Caused By Zero Alpha ("rgba") Value

We're seeing a few reports of bX codes, that are not solved by simply resetting the template - and do not involve the mysterious "500 Internal Server Error".

In some cases, the blog owner may see a bX code when trying to use "Configure Blog Posts", or another Layout gadget wizard. If the blog itself can be viewed, and Template HTML Editor is usable, the bX error may come from use of a "0" Alpha color setting.

Blogger Engineering is aware of the problem, and has suggested that a fix is being developed. While we await the necessary fix, we may need to work around the problem.

The suggestion by Blogger Engineering is that we use a "Transparent" option, instead of "0" alpha value.

It seems that this issue is triggered by color variables with a value that has zero alpha, e.g. 'rgba(0, 0, 0, 0)'.

Some gadgets, and template sections, have the "transparent" selection in their color setup. Not all have this option, however. Some template CSS rules are not so easily edited.

The problem here is the "rgba" 4th value of "0" - ie, the "alpha" "0" value. The simplest solution is to change the "0" to a non zero value - without changing the "rgb" values.

The simplest solution, to get "Configure Blog Posts" or any other affected gadget usable, may be to use Template Editor, and change the values, directly. Look at every CSS rule, that has an "rgba" setting - and look for a 4th value of "0".

  • For "rgba(0, 0, 0, 0)" - Change to "rgba(0, 0, 0, .1)".
  • For "rgba(255, 255, 0, 0)" - Change to "rgba(255, 255, 0, .1)".
  • For "rgba(255, 255, 255, 0)" - Change to "rgba(255, 255, 255, .1)".

A transparency setting of ".1" should be visually close to "0" - and should get the blog in question back online and updatable. And after Blogger Engineering fixes their gadget / template editor code, to accept the "0" value - and if the ".1" creates a noticeably unacceptable condition - this can be corrected, when necessary.

It's possible that this error, being seen, is part of a larger problem. You may need a persistent solution.



Some #Blogger bX codes, being seen in the forums right now, do not appear to involve terminal template corruption, and the mysterious "500 Internal Server Error". Some bX codes can be easily corrected, when they involve a "0 alpha" value (a CSS color rule involving an "rgba" setting).

When the Template Editor is usable, a simple search and replace for "rgba(nn, nn, nn, 0)" to "rgba(nn, nn, nn, .1)" may be sufficient to correct the error.

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