How use Common Template editor

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i want include a script and style in each page, for all styles.

After searching for the easy way, I found style manager > common templates. It looks exactly my need! but anything I write in the header ("123" or a script\style tags) causes the page to go wrong with the error in the browser console:

footer-rollup-531.js:352 Uncaught ReferenceError: pageData is not defined
    at footer-rollup-531.js:352
    at footer-rollup-531.js:352
    at footer-rollup-531.js:352

footer-rollup-531.js:262 Uncaught TypeError: F.reverse is not a function
    at Array.E (footer-rollup-531.js:262)
    at Object.runCallbacks (footer-rollup-531.js:262)
    at Object.init (footer-rollup-531.js:262)
    at HTMLDocument.<anonymous> (footer-rollup-531.js:262)
    at j (jquery.min.js:sourcemap:2)
    at Object.fireWith [as resolveWith] (jquery.min.js:sourcemap:2)
    at Function.ready (jquery.min.js:sourcemap:2)
    at HTMLDocument.I (jquery.min.js:sourcemap:2)