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Cannot start Local wp site
Support
nickc
August 27, 2025, 8:28am
2
Thanks for this report,
@Joost
. You can try:
Removing Mailpit to force Local to copy a fresh version for you.
Editing your
sites.json
to ensure your site is running the latest version of Mailpit (step 3 onwards):
Multisite installation (Subdomain): Uh-oh! Unable to start site. TypeError: Cannot convert undefined or null to object
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