asp.net Sharepoint could not connect to the publish custom string handler and could not perform output cache processing

Problem description:
Unable to connect to the publish custom string handler, unable to perform output cache processing. IIS instance ID is "1772638466",
URL as "http: / / XXXX. XXX. XXX/EnglishWorld/Default aspx".
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It appears in the system log patch (except for URL), but it seems to have no effect on the system and can be used normally.
This problem will not affect normal use, but the log will soon be full
Premise:
The EnglishWorld project is deployed as a virtual directory under the Sharepoint site in use. The file location is:
C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\LAYOUTS\EIP\Module\EnglishWorldPage
Reasons for the problem:
The sharepoint site has a few customizations < httpmodule > , which contains the item: PublishingHttpModule, which does not need to be used in the mailbook directory, can be removed to solve the problem
Solutions:
Edit in web.config under the EnglishWorld virtual path to add the following configuration
< httpModules >
< remove name="PublishingHttpModule" / >
< /httpModules >