I have both, the up-to-date versions of Adobe After Effects and Adobe Media Encoder, and I am currently using my MacBook pro.
When I have finished my project, I did what I normally do, Export > export to adobe media encoder. But, when the media encoder opens nothing is shown in the queue, and if I manually place my project in the queue it says "this project can't be open" ???? I don't know what I have done wrong..?
Exporting through Adobe Media Encoder is the only way I have found to be able to afterwards, airdrop to my phone, in camera roll.
What specific versions of both After Effects and AME are you running (not 2020, but the actual version number from the Help menu). There is a known issue with Dynamic Link in the current version that is preventing some people from sending comps. You can either roll back to AE 17.0.5 (and the corresponding AME version), use the AE and AME public beta (both of which are very stable and I'm exclusively working with), or export a master file from After Effects (ProRes. Cineform, or DNxHR are all common master formats) and then convert that to MP4 in AME.