TYPO3 Exception 1439552059¶
Below, the TYPO3 community may have provided additional information or solutions for this exception. However, these may or may not apply to your particular case. If you can provide more information, you should come back here and add your experience and solution steps to this issue once you have resolved it.
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The extension “…” has invalid version constraints in “conflicts” section. Extension key is missing!¶
composer.json file for invalid “conflicts”.