The administration page callback should probably use "administer site configuration" - which implies the user can change something - rather than "access administration pages" which is about viewing but not changing configurations.

FILE: D:\xampp\htdocs\drupal_10\web\modules\contrib\field_prefix\field_prefix.routing.yml
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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7 | WARNING | The administration page callback should probably use "administer site configuration" - which implies the user can change something - rather than "access administration pages" which is about viewing but not changing configurations.
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