Custom modules do not show anymore

Wappler Version : 3.9.9
Operating System : windows 10
Server Model: php
Database Type: mysql
Hosting Type: NAMP

Expected behavior

Server connect custom modules should appear on already-built api actions and be available along with out-of-the-box steps.

Actual behavior

Custom actions are not recognized and cannot be found when adding a step to an API file.
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When trying to recreate the DmXConnectLib folder, this error appears: