It's also possible you're already got too many trades to be able to put new ones up.

If the Pokemon is in your team, gallery, already on your trades, auctions or daycare you won't be able to put it on your trades.

Then they just keep getting banned. Ban evasion isn't tolerated.

Their accounts have all been chat banned for 24 hours.

Not all Pokemon have mega evolutions. Out of the possible starter Pokemon, only these can mega evolve:
Venusaur
Charizard
Blastoise
Sceptile
Blaziken
Swampert

The rebirthing is something we can consider.

There are a lot of posts in this topic that are from alt accounts of the OP.

As for the idea itself, I suppose it's something we could think about as a concept. No promises at this stage though.

http://prntscr.com/sfa96n

wot indeed o-o

The guild tasks are based on a randomly generated list. That list is now empty.

A message has been sent to the devs.

Watch this space.

Looks like a 24 hour chat ban from System. Were you by any chance posting lots of messages in quick succession?