HTMLPurifier/DefinitionCache/Serializer not writable

arbei wrote:

You may read > Customize - HTML purifier > to learn more information:

You may try “Turn off caching”.dilistimor wrote:

And also I use composer v 1.x, since composer 2 did not work right with phpmaker v2022

That is incorrect. Composer v2.2.3 (or newer) had fixed its bug and works fine with PHPMaker v2022, read: https://discourse.hkvstore.com/t/interface-psr-http-message-requestfactoryinterface-not-found/3419/1