# How to fix "Fatal error: Interface

**URL:** <https://discourse.laminas.dev/t/how-to-fix-fatal-error-interface/1141>\
**Category:** Components & MVC\
**Tags:** zend-mvc\
**Created:** [August 5, 2019, 7:13pm UTC](https://discourse.laminas.dev/t/how-to-fix-fatal-error-interface/1141 "2019-08-05T19:13:15Z")\
**Posts on this page:** 1\
**Showing post:** 15

<div class="post-metadata">

**Author:** ![guidofaecke](https://yyz2.discourse-cdn.com/flex032/user_avatar/discourse.laminas.dev/guidofaecke/32/427_2.png) [@guidofaecke](https://discourse.laminas.dev/u/guidofaecke)\
**Post date:** [August 8, 2019, 1:44pm UTC](https://discourse.laminas.dev/t/how-to-fix-fatal-error-interface/1141/15 "2019-08-08T13:44:50Z")

</div>

Another option could be that you have `module_map_cache_enabled` in `application.config.php` set to true.  
In that case it can’t hurt to go to the `data/cache/` directory and just delete all files starting with `"module-"`.

---

_[View the full topic](https://discourse.laminas.dev/t/how-to-fix-fatal-error-interface/1141)._