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Problem and

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symptoms

All of a sudden, starting January 10, 2022, the Free WebSpellChecker (WSC) in a Spell Checker “WSC” dialog plugin stopped working despite the fact that previously it worked properly.   As a result, you see an incessant loading spinner  after after clicking on the "spell checkerCheck Spelling" under the ABC button in on the CKEditor 4 user interfacetoolbar.

Image RemovedImage Added

Root cause

As it was announced more than a year ago, effective January 10, 2022,

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the cloud-based version of the

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WSC

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plugin for CKEditor 4 was disabled (for both free and paid users). This is

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an official end-of-life (EOL) date of

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the plugin, it is deprecated and no longer supported.

Users that

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added

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WSC

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plugin to the

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CKEditor config.js

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 file using

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the extraPlugins

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 parameter or still using CKEditor lower than 4.16.0 where this plugin was built-in by default may face an issue with the loading spinner.

Solution

To solve the issue, remove the WSC Dialog plugin from the the extraPlugins parameter  parameter (if any) or disable it using the the removePlugins parameter  parameter in the CKEditor CKEditor config.js file file:

Code Block
languagejs
themeEmacs
config.removePlugins = 'wsc';

Alternatively, instead of the WSC Dialog plugin, you can use the free version of the Free SCAYT service SCAYT plugin or commercial version of WProofreader add-on for CKEditor 4.