Fatal errors on updating to 14.0.2

[StrangeTech]

Please check this thread in case it applies to your issue:

Changes to ACF Pro bundling

Hello everyone, About ACF, we finally received a reply from their team! The good news is that all current Cwicly users can continue to benefit from the ACF Pro bundling that comes with Cwicly. However, new users will not benefit from ACF Pro being bundled with Cwicly. This is automatic and requires no action on your part. This changes our relation to ACF and we will be pushing forward our integration of similar plugins. For those who have the bundle but want to deactivate ACF, we now have …

Depending on whether you are using the bundled Cwicly ACF Pro version or a separate instance of the plugin may determine the solution if this does apply to you.