The module dependencies could not be resolved

After composer update i get error "The module dependencies could not be resolved."

Someone know reason why this occurs?

I got this error:

=> Array
(
[0] => core
)
This is missing.

Thanks.

Presumably this is within a Contao 3 extension?

Quote:

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Originally Posted by Spooky

Presumably this is within a Contao 3 extension?

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fixed