# Xdebug: \[Step Debug\] Could not connect to debugging client. Tried: host.docker.internal:9003 (fallback through xdebug.client\_host/xdebug.client\_port)

**URL:** <https://forum.mautic.org/t/xdebug-step-debug-could-not-connect-to-debugging-client-tried-host-docker-internal-9003-fallback-through-xdebug-client-host-xdebug-client-port/31137>\
**Category:** Development\
**Created:** [March 3, 2024, 7:15am UTC](https://forum.mautic.org/t/xdebug-step-debug-could-not-connect-to-debugging-client-tried-host-docker-internal-9003-fallback-through-xdebug-client-host-xdebug-client-port/31137 "2024-03-03T07:15:22Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![rohit1802](https://avatars.discourse-cdn.com/v4/letter/r/7c8e57/32.png) [@rohit1802](https://forum.mautic.org/u/rohit1802)\
**Post date:** [March 3, 2024, 7:15am UTC](https://forum.mautic.org/t/xdebug-step-debug-could-not-connect-to-debugging-client-tried-host-docker-internal-9003-fallback-through-xdebug-client-host-xdebug-client-port/31137/1 "2024-03-03T07:15:22Z")

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What is this error. how to resolve this error when I am executing ddev exec d:f:l command to load the data then I am getting this error

 ![image](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/2X/2/208d5603c9c735e81def05a9897a25ea99e08069.png)

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**Author:** ![alexnitsche](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/alexnitsche/32/12272_2.png) [@alexnitsche](https://forum.mautic.org/u/alexnitsche)\
**Post date:** [October 29, 2024, 9:28am UTC](https://forum.mautic.org/t/xdebug-step-debug-could-not-connect-to-debugging-client-tried-host-docker-internal-9003-fallback-through-xdebug-client-host-xdebug-client-port/31137/2 "2024-10-29T09:28:20Z")

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Hello rohit, do you intend to start step debugging your code?