Simple Social Icons plugin not work on my blog

excerpt is not a WordPress function. That theme has rolled its own “excerpt” function and has broken something.

Replace echo excerpt(56); with the_excerpt(); and you should see your icons.

I have no idea what else that excerpt function does or why the theme developer thought it necessary, so there may be consequences to altering that that will have to track down, debug, and fix. If you post the code for that function it may help.

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