PHP Linter

OK

composer validate

OK

PHP Stan

OK

Magento Coding Standard

FILE: ...ge/app/private/swissup/module-subscription/Setup/InstallSchema.php
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FOUND 1 ERROR AFFECTING 1 LINE
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 1 | ERROR | InstallSchema scripts are obsolete. Please use declarative schema
   |       | approach in module's etc/db_schema.xml file
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Time: 1.81 secs; Memory: 20MB